diff --git a/BUILD.gn b/BUILD.gn
index 5a5200f7e9522..90ca39d027844 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -37,9 +37,7 @@ config("fuchsia_legacy") {
 
 config("export_dynamic_symbols") {
   if (is_linux || is_fuchsia) {
-    inputs = [
-      "//flutter/common/exported_symbols.sym",
-    ]
+    inputs = [ "//flutter/common/exported_symbols.sym" ]
     ldflags = [ "-Wl,--dynamic-list=" + rebase_path(inputs[0], root_build_dir) ]
   }
 }
@@ -165,17 +163,13 @@ group("flutter") {
 group("dist") {
   testonly = true
 
-  deps = [
-    "//flutter/sky/dist",
-  ]
+  deps = [ "//flutter/sky/dist" ]
 }
 
 if (is_fuchsia) {
   group("fuchsia_tests") {
     testonly = true
 
-    deps = [
-      "//flutter/shell/platform/fuchsia:tests",
-    ]
+    deps = [ "//flutter/shell/platform/fuchsia:tests" ]
   }
 }
diff --git a/DEPS b/DEPS
index 36b04b50577ea..5f7e6477c1efe 100644
--- a/DEPS
+++ b/DEPS
@@ -34,7 +34,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '24c7666def53832a31559beac130eb3336008110',
+  'dart_revision': '40fd1c456e0a872ab8f6d2a018b3436d2f7a5f84',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -107,7 +107,7 @@ allowed_hosts = [
 ]
 
 deps = {
-  'src': 'https://github.com/flutter/buildroot.git' + '@' + '6728d80355083a20ceecb6db1d73c16dee255a43',
+  'src': 'https://github.com/flutter/buildroot.git' + '@' + '4073a7a300d845597b8b2d553e584d3fd97f70df',
 
    # Fuchsia compatibility
    #
@@ -485,7 +485,7 @@ deps = {
     'packages': [
       {
         'package': 'gn/gn/${{platform}}',
-        'version': 'git_revision:152c5144ceed9592c20f0c8fd55769646077569b'
+        'version': 'git_revision:1e3fd10c5df6b704fc764ee388149e4f32862823'
       },
     ],
     'dep_type': 'cipd',
diff --git a/build/dart/rules.gni b/build/dart/rules.gni
index 1e4bb919ed2dd..dcafa6caf4617 100644
--- a/build/dart/rules.gni
+++ b/build/dart/rules.gni
@@ -163,12 +163,8 @@ template("dart_pkg") {
       dartx_application("${app_name}_dart_app") {
         output_name = dartx_output_name
         main_dart = rebase_path(app_entrypoint, "", pkg_helper_output_dir)
-        sources = [
-          "$root_gen_dir/dart-pkg/${dart_package_name}.stamp",
-        ]
-        deps = [
-          ":$dart_pkg_target_name",
-        ]
+        sources = [ "$root_gen_dir/dart-pkg/${dart_package_name}.stamp" ]
+        deps = [ ":$dart_pkg_target_name" ]
         deps += invoker.deps
         if (defined(invoker.strict)) {
           strict = invoker.strict
@@ -178,9 +174,7 @@ template("dart_pkg") {
   }
 
   group(target_name) {
-    public_deps = [
-      ":$dart_pkg_target_name",
-    ]
+    public_deps = [ ":$dart_pkg_target_name" ]
     if (defined(invoker.apps)) {
       foreach(app, invoker.apps) {
         app_name = app[0]
diff --git a/build/zip_bundle.gni b/build/zip_bundle.gni
index 4306f3e7d5d67..26fae8c96bf9a 100644
--- a/build/zip_bundle.gni
+++ b/build/zip_bundle.gni
@@ -37,9 +37,7 @@ template("zip_bundle") {
   assert(defined(invoker.files), "files must be defined as a list of scopes")
   action(target_name) {
     script = "//flutter/build/zip.py"
-    outputs = [
-      "$root_build_dir/zip_archives/${invoker.output}",
-    ]
+    outputs = [ "$root_build_dir/zip_archives/${invoker.output}" ]
     inputs = []
     deps = invoker.deps
 
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
index 1b3ca3fe025b0..c0d3c20fc98de 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: ace4b50b35dcf1f0615ef82b87950698
+Signature: 97a28766592ed592458b78e7da5d05fd
 
 UNUSED LICENSES:
 
diff --git a/common/BUILD.gn b/common/BUILD.gn
index 552abed70f8f0..c276e4dbeacfd 100644
--- a/common/BUILD.gn
+++ b/common/BUILD.gn
@@ -16,9 +16,7 @@ source_set("common") {
     "task_runners.h",
   ]
 
-  deps = [
-    "//flutter/fml",
-  ]
+  deps = [ "//flutter/fml" ]
 
   public_configs = [
     ":flutter_config",
diff --git a/flow/BUILD.gn b/flow/BUILD.gn
index 643311cf98fd3..89647c7189784 100644
--- a/flow/BUILD.gn
+++ b/flow/BUILD.gn
@@ -183,24 +183,18 @@ if (enable_unittests) {
     executable("flow_unittests") {
       testonly = true
 
-      deps = [
-        ":flow_unittests_common_fuchsia_legacy",
-      ]
+      deps = [ ":flow_unittests_common_fuchsia_legacy" ]
     }
     executable("flow_unittests_next") {
       testonly = true
 
-      deps = [
-        ":flow_unittests_common",
-      ]
+      deps = [ ":flow_unittests_common" ]
     }
   } else {
     executable("flow_unittests") {
       testonly = true
 
-      deps = [
-        ":flow_unittests_common",
-      ]
+      deps = [ ":flow_unittests_common" ]
     }
   }
 }
diff --git a/flutter_frontend_server/BUILD.gn b/flutter_frontend_server/BUILD.gn
index 2f7b8417e2225..f477c194fe8bc 100644
--- a/flutter_frontend_server/BUILD.gn
+++ b/flutter_frontend_server/BUILD.gn
@@ -22,9 +22,7 @@ frontend_server_files +=
 
 application_snapshot("frontend_server") {
   main_dart = "bin/starter.dart"
-  deps = [
-    "//flutter/lib/snapshot:kernel_platform_files",
-  ]
+  deps = [ "//flutter/lib/snapshot:kernel_platform_files" ]
   dot_packages = rebase_path(".dart_tool/package_config.json")
   flutter_patched_sdk = rebase_path("$root_out_dir/flutter_patched_sdk")
   training_args = [
diff --git a/fml/BUILD.gn b/fml/BUILD.gn
index 8673841db57fc..358fbee5483ff 100644
--- a/fml/BUILD.gn
+++ b/fml/BUILD.gn
@@ -230,9 +230,7 @@ if (enable_unittests) {
   executable("fml_benchmarks") {
     testonly = true
 
-    sources = [
-      "message_loop_task_queues_benchmark.cc",
-    ]
+    sources = [ "message_loop_task_queues_benchmark.cc" ]
 
     deps = [
       "//flutter/benchmarking",
diff --git a/lib/snapshot/BUILD.gn b/lib/snapshot/BUILD.gn
index b4773b65479a4..eb71524900fac 100644
--- a/lib/snapshot/BUILD.gn
+++ b/lib/snapshot/BUILD.gn
@@ -14,9 +14,7 @@ copy("generate_dart_ui") {
   visibility = [ ":*" ]
   sources = dart_ui_files
 
-  outputs = [
-    "$bindings_output_dir/dart_ui/{{source_file_part}}",
-  ]
+  outputs = [ "$bindings_output_dir/dart_ui/{{source_file_part}}" ]
 }
 
 compiled_action("generate_snapshot_bin") {
@@ -32,12 +30,8 @@ compiled_action("generate_snapshot_bin") {
 
   platform_kernel = "$root_out_dir/flutter_patched_sdk/platform_strong.dill"
 
-  inputs = [
-    platform_kernel,
-  ]
-  deps = [
-    ":kernel_platform_files",
-  ]
+  inputs = [ platform_kernel ]
+  deps = [ ":kernel_platform_files" ]
 
   vm_snapshot_data = "$target_gen_dir/vm_isolate_snapshot.bin"
   vm_snapshot_instructions = "$target_gen_dir/vm_snapshot_instructions.bin"
@@ -109,9 +103,7 @@ template("bin_to_assembly") {
       script,
       invoker.input,
     ]
-    outputs = [
-      output,
-    ]
+    outputs = [ output ]
   }
 }
 
@@ -150,12 +142,8 @@ template("bin_to_coff") {
     if (current_cpu == "x64") {
       args += [ "--64-bit" ]
     }
-    inputs = [
-      invoker.input,
-    ]
-    outputs = [
-      output,
-    ]
+    inputs = [ invoker.input ]
+    outputs = [ output ]
   }
 }
 
@@ -174,45 +162,35 @@ template("bin_to_linkable") {
 }
 
 bin_to_linkable("vm_snapshot_data_linkable") {
-  deps = [
-    ":generate_snapshot_bin",
-  ]
+  deps = [ ":generate_snapshot_bin" ]
   input = "$target_gen_dir/vm_isolate_snapshot.bin"
   symbol = "kDartVmSnapshotData"
   executable = false
 }
 
 bin_to_linkable("vm_snapshot_instructions_linkable") {
-  deps = [
-    ":generate_snapshot_bin",
-  ]
+  deps = [ ":generate_snapshot_bin" ]
   input = "$target_gen_dir/vm_snapshot_instructions.bin"
   symbol = "kDartVmSnapshotInstructions"
   executable = true
 }
 
 bin_to_linkable("isolate_snapshot_data_linkable") {
-  deps = [
-    ":generate_snapshot_bin",
-  ]
+  deps = [ ":generate_snapshot_bin" ]
   input = "$target_gen_dir/isolate_snapshot.bin"
   symbol = "kDartIsolateSnapshotData"
   executable = false
 }
 
 bin_to_linkable("isolate_snapshot_instructions_linkable") {
-  deps = [
-    ":generate_snapshot_bin",
-  ]
+  deps = [ ":generate_snapshot_bin" ]
   input = "$target_gen_dir/isolate_snapshot_instructions.bin"
   symbol = "kDartIsolateSnapshotInstructions"
   executable = true
 }
 
 bin_to_linkable("platform_strong_dill_linkable") {
-  deps = [
-    ":kernel_platform_files",
-  ]
+  deps = [ ":kernel_platform_files" ]
   input = "$root_out_dir/flutter_patched_sdk/platform_strong.dill"
   symbol = "kPlatformStrongDill"
   size_symbol = "kPlatformStrongDillSize"
@@ -261,7 +239,5 @@ compile_platform("strong_platform") {
 
 # Fuchsia's snapshot requires a different platform with extra dart: libraries.
 group("kernel_platform_files") {
-  public_deps = [
-    ":strong_platform",
-  ]
+  public_deps = [ ":strong_platform" ]
 }
diff --git a/lib/ui/BUILD.gn b/lib/ui/BUILD.gn
index 1fd1d7cdf93a3..260ebf7cd0622 100644
--- a/lib/ui/BUILD.gn
+++ b/lib/ui/BUILD.gn
@@ -113,9 +113,7 @@ source_set_maybe_fuchsia_legacy("ui") {
 
   public_configs = [ "//flutter:config" ]
 
-  public_deps = [
-    "//flutter/third_party/txt",
-  ]
+  public_deps = [ "//flutter/third_party/txt" ]
 
   deps = [
     "//flutter/assets",
@@ -163,9 +161,7 @@ if (enable_unittests) {
 
     public_configs = [ "//flutter:export_dynamic_symbols" ]
 
-    sources = [
-      "ui_benchmarks.cc",
-    ]
+    sources = [ "ui_benchmarks.cc" ]
 
     deps = [
       ":ui",
@@ -213,24 +209,18 @@ if (enable_unittests) {
     executable("ui_unittests") {
       testonly = true
 
-      deps = [
-        ":ui_unittests_common_fuchsia_legacy",
-      ]
+      deps = [ ":ui_unittests_common_fuchsia_legacy" ]
     }
     executable("ui_unittests_next") {
       testonly = true
 
-      deps = [
-        ":ui_unittests_common",
-      ]
+      deps = [ ":ui_unittests_common" ]
     }
   } else {
     executable("ui_unittests") {
       testonly = true
 
-      deps = [
-        ":ui_unittests_common",
-      ]
+      deps = [ ":ui_unittests_common" ]
     }
   }
 }
diff --git a/runtime/BUILD.gn b/runtime/BUILD.gn
index 3cf9cb75739bd..9bd85d53d581f 100644
--- a/runtime/BUILD.gn
+++ b/runtime/BUILD.gn
@@ -10,9 +10,7 @@ source_set("test_font") {
     "test_font_data.cc",
     "test_font_data.h",
   ]
-  deps = [
-    "//third_party/skia",
-  ]
+  deps = [ "//third_party/skia" ]
   public_configs = [ "//flutter:config" ]
   defines = []
   if (flutter_runtime_mode == "debug" || current_toolchain == host_toolchain) {
@@ -69,9 +67,7 @@ source_set_maybe_fuchsia_legacy("runtime") {
     "window_data.h",
   ]
 
-  public_deps = [
-    "//third_party/rapidjson",
-  ]
+  public_deps = [ "//third_party/rapidjson" ]
 
   public_configs = [ "//flutter:config" ]
 
@@ -142,25 +138,19 @@ if (enable_unittests) {
     executable("runtime_unittests") {
       testonly = true
 
-      deps = [
-        ":runtime_unittests_common_fuchsia_legacy",
-      ]
+      deps = [ ":runtime_unittests_common_fuchsia_legacy" ]
     }
 
     executable("runtime_unittests_next") {
       testonly = true
 
-      deps = [
-        ":runtime_unittests_common",
-      ]
+      deps = [ ":runtime_unittests_common" ]
     }
   } else {
     executable("runtime_unittests") {
       testonly = true
 
-      deps = [
-        ":runtime_unittests_common",
-      ]
+      deps = [ ":runtime_unittests_common" ]
     }
   }
 }
diff --git a/shell/BUILD.gn b/shell/BUILD.gn
index e4bfd9e8fda5d..0536023fbd0c1 100644
--- a/shell/BUILD.gn
+++ b/shell/BUILD.gn
@@ -3,7 +3,5 @@
 # found in the LICENSE file.
 
 group("shell") {
-  deps = [
-    "platform",
-  ]
+  deps = [ "platform" ]
 }
diff --git a/shell/common/BUILD.gn b/shell/common/BUILD.gn
index 9e5fa56148f07..28ca87584f6db 100644
--- a/shell/common/BUILD.gn
+++ b/shell/common/BUILD.gn
@@ -30,9 +30,7 @@ template("dart_embedder_resources") {
     }
 
     output = invoker.output
-    outputs = [
-      output,
-    ]
+    outputs = [ output ]
 
     inputs = [ script ] + invoker.inputs
 
@@ -174,9 +172,7 @@ if (enable_unittests) {
   }
 
   shell_host_executable("shell_benchmarks") {
-    sources = [
-      "shell_benchmarks.cc",
-    ]
+    sources = [ "shell_benchmarks.cc" ]
 
     deps = [
       ":shell_unittests_fixtures",
diff --git a/shell/platform/BUILD.gn b/shell/platform/BUILD.gn
index d84a2ebbc5d4c..66baf0e887fe1 100644
--- a/shell/platform/BUILD.gn
+++ b/shell/platform/BUILD.gn
@@ -7,13 +7,9 @@ import("//flutter/shell/platform/config.gni")
 
 group("platform") {
   if (is_mac || is_ios) {
-    deps = [
-      "darwin",
-    ]
+    deps = [ "darwin" ]
   } else if (is_android) {
-    deps = [
-      "android",
-    ]
+    deps = [ "android" ]
   } else if (is_linux) {
     deps = []
     if (enable_desktop_embeddings) {
@@ -25,9 +21,7 @@ group("platform") {
       deps += [ "windows" ]
     }
   } else if (is_fuchsia) {
-    deps = [
-      "fuchsia",
-    ]
+    deps = [ "fuchsia" ]
   } else {
     assert(false, "Unknown/Unsupported platform.")
   }
diff --git a/shell/platform/android/BUILD.gn b/shell/platform/android/BUILD.gn
index 6d55b3cc74fd8..308c70af691e4 100644
--- a/shell/platform/android/BUILD.gn
+++ b/shell/platform/android/BUILD.gn
@@ -99,9 +99,7 @@ action("gen_android_build_config_java") {
 
   build_config_java = "$target_gen_dir/io/flutter/BuildConfig.java"
 
-  outputs = [
-    build_config_java,
-  ]
+  outputs = [ build_config_java ]
 
   args = [
     "--out",
@@ -151,14 +149,14 @@ android_java_sources = [
   "io/flutter/embedding/engine/FlutterEnginePluginRegistry.java",
   "io/flutter/embedding/engine/FlutterJNI.java",
   "io/flutter/embedding/engine/FlutterOverlaySurface.java",
-  "io/flutter/embedding/engine/mutatorsstack/FlutterMutatorsStack.java",
-  "io/flutter/embedding/engine/mutatorsstack/FlutterMutatorView.java",
   "io/flutter/embedding/engine/FlutterShellArgs.java",
   "io/flutter/embedding/engine/dart/DartExecutor.java",
   "io/flutter/embedding/engine/dart/DartMessenger.java",
   "io/flutter/embedding/engine/dart/PlatformMessageHandler.java",
   "io/flutter/embedding/engine/loader/FlutterLoader.java",
   "io/flutter/embedding/engine/loader/ResourceExtractor.java",
+  "io/flutter/embedding/engine/mutatorsstack/FlutterMutatorView.java",
+  "io/flutter/embedding/engine/mutatorsstack/FlutterMutatorsStack.java",
   "io/flutter/embedding/engine/plugins/FlutterPlugin.java",
   "io/flutter/embedding/engine/plugins/PluginRegistry.java",
   "io/flutter/embedding/engine/plugins/activity/ActivityAware.java",
@@ -295,9 +293,7 @@ action("flutter_shell_java") {
 
   args += rebase_path(sources, root_build_dir)
 
-  deps = [
-    ":gen_android_build_config_java",
-  ]
+  deps = [ ":gen_android_build_config_java" ]
 }
 
 action("icudtl_object") {
@@ -306,13 +302,9 @@ action("icudtl_object") {
   icudtl_input = "//third_party/icu/flutter/icudtl.dat"
   icudtl_output = "$root_build_dir/flutter_icu/icudtl.o"
 
-  inputs = [
-    "$icudtl_input",
-  ]
+  inputs = [ "$icudtl_input" ]
 
-  outputs = [
-    "$icudtl_output",
-  ]
+  outputs = [ "$icudtl_output" ]
 
   args = [
     "--objcopy",
@@ -374,16 +366,12 @@ action("android_jar") {
 action("pom_libflutter") {
   script = "//flutter/tools/androidx/generate_pom_file.py"
 
-  inputs = [
-    "//flutter/tools/androidx/files.json",
-  ]
+  inputs = [ "//flutter/tools/androidx/files.json" ]
 
   artifact_id =
       string_replace(android_app_abi, "-", "_") + "_" + flutter_runtime_mode
 
-  outputs = [
-    "$root_build_dir/$artifact_id.pom",
-  ]
+  outputs = [ "$root_build_dir/$artifact_id.pom" ]
 
   args = [
     "--destination",
@@ -398,15 +386,11 @@ action("pom_libflutter") {
 action("pom_embedding") {
   script = "//flutter/tools/androidx/generate_pom_file.py"
 
-  inputs = [
-    "//flutter/tools/androidx/files.json",
-  ]
+  inputs = [ "//flutter/tools/androidx/files.json" ]
 
   artifact_id = "flutter_embedding_$flutter_runtime_mode"
 
-  outputs = [
-    "$root_build_dir/$artifact_id.pom",
-  ]
+  outputs = [ "$root_build_dir/$artifact_id.pom" ]
 
   args = [
     "--destination",
@@ -513,9 +497,7 @@ zip_bundle("android_symbols") {
     },
   ]
 
-  deps = [
-    ":flutter_shell_native",
-  ]
+  deps = [ ":flutter_shell_native" ]
 }
 
 zip_bundle("android") {
@@ -549,9 +531,7 @@ action("gen_android_javadoc") {
   script = "//flutter/tools/gen_javadoc.py"
   sources = android_java_sources + embedding_dependencies_jars
 
-  outputs = [
-    "$target_gen_dir/javadocs",
-  ]
+  outputs = [ "$target_gen_dir/javadocs" ]
   args = [
     "--out-dir",
     rebase_path(outputs[0]),
@@ -574,7 +554,5 @@ zip_bundle("android_javadoc") {
       destination = "/"
     },
   ]
-  deps = [
-    ":gen_android_javadoc",
-  ]
+  deps = [ ":gen_android_javadoc" ]
 }
diff --git a/shell/platform/android/context/BUILD.gn b/shell/platform/android/context/BUILD.gn
index f510fbdd649df..70035e58a3fa8 100644
--- a/shell/platform/android/context/BUILD.gn
+++ b/shell/platform/android/context/BUILD.gn
@@ -12,7 +12,5 @@ source_set("context") {
 
   public_configs = [ "//flutter:config" ]
 
-  deps = [
-    "//flutter/fml",
-  ]
+  deps = [ "//flutter/fml" ]
 }
diff --git a/shell/platform/android/jni/BUILD.gn b/shell/platform/android/jni/BUILD.gn
index ed3b822f98d6a..7d95b56ad4399 100644
--- a/shell/platform/android/jni/BUILD.gn
+++ b/shell/platform/android/jni/BUILD.gn
@@ -25,15 +25,11 @@ source_set("jni") {
 source_set("jni_mock") {
   testonly = true
 
-  sources = [
-    "jni_mock.h",
-  ]
+  sources = [ "jni_mock.h" ]
 
   public_configs = [ "//flutter:config" ]
 
-  deps = [
-    ":jni",
-  ]
+  deps = [ ":jni" ]
 }
 
 test_fixtures("jni_fixtures") {
@@ -43,9 +39,7 @@ test_fixtures("jni_fixtures") {
 executable("jni_unittests") {
   testonly = true
 
-  sources = [
-    "jni_mock_unittest.cc",
-  ]
+  sources = [ "jni_mock_unittest.cc" ]
 
   deps = [
     ":jni_fixtures",
diff --git a/shell/platform/android/platform_view_android_delegate/BUILD.gn b/shell/platform/android/platform_view_android_delegate/BUILD.gn
index 61f2019f0902b..89dc76f4f3ec9 100644
--- a/shell/platform/android/platform_view_android_delegate/BUILD.gn
+++ b/shell/platform/android/platform_view_android_delegate/BUILD.gn
@@ -30,9 +30,7 @@ test_fixtures("platform_view_android_delegate_fixtures") {
 executable("platform_view_android_delegate_unittests") {
   testonly = true
 
-  sources = [
-    "platform_view_android_delegate_unittests.cc",
-  ]
+  sources = [ "platform_view_android_delegate_unittests.cc" ]
 
   deps = [
     ":platform_view_android_delegate",
diff --git a/shell/platform/common/cpp/BUILD.gn b/shell/platform/common/cpp/BUILD.gn
index d318a1a35c6c7..b6c5a86b4d416 100644
--- a/shell/platform/common/cpp/BUILD.gn
+++ b/shell/platform/common/cpp/BUILD.gn
@@ -32,19 +32,13 @@ source_set("common_cpp_library_headers") {
 
 copy("publish_headers") {
   sources = _public_headers
-  outputs = [
-    "$root_out_dir/{{source_file_part}}",
-  ]
+  outputs = [ "$root_out_dir/{{source_file_part}}" ]
 }
 
 source_set("common_cpp_input") {
-  public = [
-    "text_input_model.h",
-  ]
+  public = [ "text_input_model.h" ]
 
-  sources = [
-    "text_input_model.cc",
-  ]
+  sources = [ "text_input_model.cc" ]
 
   configs += [ ":desktop_library_implementation" ]
 
@@ -88,13 +82,9 @@ source_set("common_cpp") {
 # embedding is futher along and it's clearer how much, if any, shared
 # API surface there will be.
 source_set("common_cpp_core") {
-  public = [
-    "path_utils.h",
-  ]
+  public = [ "path_utils.h" ]
 
-  sources = [
-    "path_utils.cc",
-  ]
+  sources = [ "path_utils.cc" ]
 }
 
 if (enable_unittests) {
@@ -105,9 +95,7 @@ if (enable_unittests) {
   executable("common_cpp_core_unittests") {
     testonly = true
 
-    sources = [
-      "path_utils_unittests.cc",
-    ]
+    sources = [ "path_utils_unittests.cc" ]
 
     deps = [
       ":common_cpp_core",
diff --git a/shell/platform/common/cpp/client_wrapper/BUILD.gn b/shell/platform/common/cpp/client_wrapper/BUILD.gn
index 844be28bc3e2b..0b4f243c215df 100644
--- a/shell/platform/common/cpp/client_wrapper/BUILD.gn
+++ b/shell/platform/common/cpp/client_wrapper/BUILD.gn
@@ -10,9 +10,7 @@ source_set("client_wrapper") {
   sources = core_cpp_client_wrapper_sources
   public = core_cpp_client_wrapper_includes
 
-  deps = [
-    "//flutter/shell/platform/common/cpp:common_cpp_library_headers",
-  ]
+  deps = [ "//flutter/shell/platform/common/cpp:common_cpp_library_headers" ]
 
   configs +=
       [ "//flutter/shell/platform/common/cpp:desktop_library_implementation" ]
@@ -29,9 +27,8 @@ source_set("client_wrapper_library_stubs") {
 
   defines = [ "FLUTTER_DESKTOP_LIBRARY" ]
 
-  public_deps = [
-    "//flutter/shell/platform/common/cpp:common_cpp_library_headers",
-  ]
+  public_deps =
+      [ "//flutter/shell/platform/common/cpp:common_cpp_library_headers" ]
 }
 
 test_fixtures("client_wrapper_fixtures") {
diff --git a/shell/platform/common/cpp/client_wrapper/publish.gni b/shell/platform/common/cpp/client_wrapper/publish.gni
index bc16551564f8a..e52bf6a319369 100644
--- a/shell/platform/common/cpp/client_wrapper/publish.gni
+++ b/shell/platform/common/cpp/client_wrapper/publish.gni
@@ -44,25 +44,19 @@ template("publish_client_wrapper") {
     ]
 
     sources = invoker.public
-    outputs = [
-      "$publish_dir_root/include/$namespace/{{source_file_part}}",
-    ]
+    outputs = [ "$publish_dir_root/include/$namespace/{{source_file_part}}" ]
   }
 
   copy("${template_target_name}_publish_sources") {
     visibility = [ ":$template_target_name" ]
 
     sources = invoker.sources
-    outputs = [
-      "$publish_dir_root/{{source_file_part}}",
-    ]
+    outputs = [ "$publish_dir_root/{{source_file_part}}" ]
 
     # GN on Windows appears to do #include checks even for copy
     # targets, so add the dependency to the headers to satisfy
     # the check.
-    deps = [
-      ":${template_target_name}_publish_includes",
-    ]
+    deps = [ ":${template_target_name}_publish_includes" ]
   }
 }
 
@@ -103,8 +97,6 @@ template("publish_client_wrapper_extension") {
                              "sources",
                              "directory_suffix",
                            ])
-    public_deps = [
-      ":$core_target_name",
-    ]
+    public_deps = [ ":$core_target_name" ]
   }
 }
diff --git a/shell/platform/darwin/BUILD.gn b/shell/platform/darwin/BUILD.gn
index cace8efb9a887..23c8e4055acf7 100644
--- a/shell/platform/darwin/BUILD.gn
+++ b/shell/platform/darwin/BUILD.gn
@@ -9,9 +9,7 @@ import("//flutter/testing/testing.gni")
 
 group("darwin") {
   if (is_ios) {
-    deps = [
-      "ios:flutter_framework",
-    ]
+    deps = [ "ios:flutter_framework" ]
   }
   if (is_mac) {
     deps = []
diff --git a/shell/platform/darwin/ios/BUILD.gn b/shell/platform/darwin/ios/BUILD.gn
index d57b7f132fe38..737e72731232f 100644
--- a/shell/platform/darwin/ios/BUILD.gn
+++ b/shell/platform/darwin/ios/BUILD.gn
@@ -236,9 +236,7 @@ shared_library("create_flutter_framework_dylib") {
 
   public = _flutter_framework_headers
 
-  deps = [
-    ":flutter_framework_source",
-  ]
+  deps = [ ":flutter_framework_source" ]
 
   public_configs = [ "//flutter:config" ]
 }
@@ -246,27 +244,17 @@ shared_library("create_flutter_framework_dylib") {
 copy("copy_dylib") {
   visibility = [ ":*" ]
 
-  sources = [
-    "$root_out_dir/libFlutter.dylib",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/Flutter",
-  ]
+  sources = [ "$root_out_dir/libFlutter.dylib" ]
+  outputs = [ "$_flutter_framework_dir/Flutter" ]
 
-  deps = [
-    ":create_flutter_framework_dylib",
-  ]
+  deps = [ ":create_flutter_framework_dylib" ]
 }
 
 action("copy_framework_info_plist") {
   script = "//flutter/build/copy_info_plist.py"
   visibility = [ ":*" ]
-  sources = [
-    "framework/Info.plist",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/Info.plist",
-  ]
+  sources = [ "framework/Info.plist" ]
+  outputs = [ "$_flutter_framework_dir/Info.plist" ]
   args = [
     rebase_path(sources[0]),
     rebase_path(outputs[0]),
@@ -276,12 +264,8 @@ action("copy_framework_info_plist") {
 
 copy("copy_framework_module_map") {
   visibility = [ ":*" ]
-  sources = [
-    "framework/module.modulemap",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/Modules/module.modulemap",
-  ]
+  sources = [ "framework/module.modulemap" ]
+  outputs = [ "$_flutter_framework_dir/Modules/module.modulemap" ]
 }
 
 action("copy_framework_headers") {
@@ -303,44 +287,28 @@ action("copy_framework_headers") {
 
 copy("copy_framework_icu") {
   visibility = [ ":*" ]
-  sources = [
-    "//third_party/icu/flutter/icudtl.dat",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/{{source_file_part}}",
-  ]
+  sources = [ "//third_party/icu/flutter/icudtl.dat" ]
+  outputs = [ "$_flutter_framework_dir/{{source_file_part}}" ]
 }
 
 copy("copy_framework_podspec") {
   visibility = [ ":*" ]
-  sources = [
-    "framework/Flutter.podspec",
-  ]
-  outputs = [
-    "$root_out_dir/Flutter.podspec",
-  ]
+  sources = [ "framework/Flutter.podspec" ]
+  outputs = [ "$root_out_dir/Flutter.podspec" ]
 }
 
 copy("copy_license") {
   visibility = [ ":*" ]
-  sources = [
-    "//LICENSE",
-  ]
-  outputs = [
-    "$root_out_dir/LICENSE",
-  ]
+  sources = [ "//LICENSE" ]
+  outputs = [ "$root_out_dir/LICENSE" ]
 }
 
 shared_library("copy_and_verify_framework_headers") {
   visibility = [ ":*" ]
   include_dirs = [ "$_flutter_framework_headers_copy_dir" ]
 
-  sources = [
-    "framework/Source/FlutterUmbrellaImport.m",
-  ]
-  deps = [
-    ":copy_framework_headers",
-  ]
+  sources = [ "framework/Source/FlutterUmbrellaImport.m" ]
+  deps = [ ":copy_framework_headers" ]
 }
 
 group("flutter_framework") {
diff --git a/shell/platform/darwin/macos/BUILD.gn b/shell/platform/darwin/macos/BUILD.gn
index b22fd110effc8..bacb6af24a1b2 100644
--- a/shell/platform/darwin/macos/BUILD.gn
+++ b/shell/platform/darwin/macos/BUILD.gn
@@ -11,9 +11,7 @@ import("//flutter/shell/platform/glfw/config.gni")
 import("//flutter/testing/testing.gni")
 
 group("macos") {
-  deps = [
-    ":flutter_framework",
-  ]
+  deps = [ ":flutter_framework" ]
   if (build_glfw_shell) {
     deps += [
       ":flutter_macos_glfw",
@@ -91,9 +89,7 @@ shared_library("flutter_framework_dylib") {
 
   ldflags = [ "-Wl,-install_name,@rpath/$_flutter_framework_filename/$_framework_binary_subpath" ]
 
-  deps = [
-    ":flutter_framework_source",
-  ]
+  deps = [ ":flutter_framework_source" ]
 }
 
 test_fixtures("flutter_desktop_darwin_fixtures") {
@@ -105,9 +101,7 @@ test_fixtures("flutter_desktop_darwin_fixtures") {
 executable("flutter_desktop_darwin_unittests") {
   testonly = true
 
-  sources = [
-    "framework/Source/FlutterEngineUnittests.mm",
-  ]
+  sources = [ "framework/Source/FlutterEngineUnittests.mm" ]
 
   cflags_objcc = [ "-fobjc-arc" ]
 
@@ -126,36 +120,22 @@ executable("flutter_desktop_darwin_unittests") {
 copy("copy_dylib") {
   visibility = [ ":*" ]
 
-  sources = [
-    "$root_out_dir/lib$_flutter_framework_name.dylib",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/$_framework_binary_subpath",
-  ]
+  sources = [ "$root_out_dir/lib$_flutter_framework_name.dylib" ]
+  outputs = [ "$_flutter_framework_dir/$_framework_binary_subpath" ]
 
-  deps = [
-    ":flutter_framework_dylib",
-  ]
+  deps = [ ":flutter_framework_dylib" ]
 }
 
 copy("copy_framework_info_plist") {
   visibility = [ ":*" ]
-  sources = [
-    "framework/Info.plist",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/Versions/A/Resources/Info.plist",
-  ]
+  sources = [ "framework/Info.plist" ]
+  outputs = [ "$_flutter_framework_dir/Versions/A/Resources/Info.plist" ]
 }
 
 copy("copy_framework_module_map") {
   visibility = [ ":*" ]
-  sources = [
-    "framework/module.modulemap",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/Versions/A/Modules/module.modulemap",
-  ]
+  sources = [ "framework/module.modulemap" ]
+  outputs = [ "$_flutter_framework_dir/Versions/A/Modules/module.modulemap" ]
 }
 
 action("copy_framework_headers") {
@@ -177,30 +157,21 @@ action("copy_framework_headers") {
 
 copy("copy_framework_icu") {
   visibility = [ ":*" ]
-  sources = [
-    "//third_party/icu/flutter/icudtl.dat",
-  ]
-  outputs = [
-    "$_flutter_framework_dir/Versions/A/Resources/{{source_file_part}}",
-  ]
+  sources = [ "//third_party/icu/flutter/icudtl.dat" ]
+  outputs =
+      [ "$_flutter_framework_dir/Versions/A/Resources/{{source_file_part}}" ]
 }
 
 copy("copy_license") {
   visibility = [ ":*" ]
-  sources = [
-    "//LICENSE",
-  ]
-  outputs = [
-    "$root_out_dir/LICENSE",
-  ]
+  sources = [ "//LICENSE" ]
+  outputs = [ "$root_out_dir/LICENSE" ]
 }
 
 action("_generate_symlinks") {
   visibility = [ ":*" ]
   script = "//build/config/mac/package_framework.py"
-  outputs = [
-    "$root_build_dir/$_flutter_framework_name.stamp",
-  ]
+  outputs = [ "$root_build_dir/$_flutter_framework_name.stamp" ]
   args = [
     "--framework",
     "$_flutter_framework_filename",
@@ -226,12 +197,8 @@ action("_generate_symlinks") {
 
 copy("copy_framework_podspec") {
   visibility = [ ":*" ]
-  sources = [
-    "framework/FlutterMacOS.podspec",
-  ]
-  outputs = [
-    "$root_out_dir/FlutterMacOS.podspec",
-  ]
+  sources = [ "framework/FlutterMacOS.podspec" ]
+  outputs = [ "$root_out_dir/FlutterMacOS.podspec" ]
 }
 
 group("flutter_framework") {
@@ -243,9 +210,7 @@ group("flutter_framework") {
 
 if (build_glfw_shell) {
   shared_library("flutter_macos_glfw") {
-    deps = [
-      "//flutter/shell/platform/glfw:flutter_glfw",
-    ]
+    deps = [ "//flutter/shell/platform/glfw:flutter_glfw" ]
 
     public_configs = [ "//flutter:config" ]
   }
diff --git a/shell/platform/embedder/BUILD.gn b/shell/platform/embedder/BUILD.gn
index 42821991b775c..a38c0af7001e3 100644
--- a/shell/platform/embedder/BUILD.gn
+++ b/shell/platform/embedder/BUILD.gn
@@ -75,9 +75,7 @@ template("embedder_source_set") {
       "//third_party/skia",
     ]
 
-    public_deps = [
-      ":embedder_headers",
-    ]
+    public_deps = [ ":embedder_headers" ]
 
     public_configs += [ "//flutter:config" ]
   }
@@ -92,9 +90,7 @@ embedder_source_set("embedder_as_internal_library") {
 }
 
 source_set("embedder_headers") {
-  public = [
-    "embedder.h",
-  ]
+  public = [ "embedder.h" ]
 
   public_configs = [ "//flutter:config" ]
 }
@@ -178,21 +174,15 @@ shared_library("flutter_engine_library") {
     ldflags = [ "-Wl,-install_name,@rpath/FlutterEmbedder.framework/$_framework_binary_subpath" ]
   }
 
-  deps = [
-    ":embedder",
-  ]
+  deps = [ ":embedder" ]
 
   public_configs = [ "//flutter:config" ]
 }
 
 copy("copy_headers") {
   visibility = [ ":*" ]
-  sources = [
-    "embedder.h",
-  ]
-  outputs = [
-    "$root_out_dir/flutter_embedder.h",
-  ]
+  sources = [ "embedder.h" ]
+  outputs = [ "$root_out_dir/flutter_embedder.h" ]
 }
 
 if (is_mac && !embedder_for_target) {
@@ -200,9 +190,7 @@ if (is_mac && !embedder_for_target) {
 
   copy("copy_framework_headers") {
     visibility = [ ":*" ]
-    sources = [
-      "embedder.h",
-    ]
+    sources = [ "embedder.h" ]
     outputs = [
       "$_flutter_embedder_framework_dir/Versions/A/Headers/FlutterEmbedder.h",
     ]
@@ -210,23 +198,17 @@ if (is_mac && !embedder_for_target) {
 
   copy("copy_icu") {
     visibility = [ ":*" ]
-    sources = [
-      "//third_party/icu/flutter/icudtl.dat",
-    ]
-    outputs = [
-      "$_flutter_embedder_framework_dir/Versions/A/Resources/icudtl.dat",
-    ]
+    sources = [ "//third_party/icu/flutter/icudtl.dat" ]
+    outputs =
+        [ "$_flutter_embedder_framework_dir/Versions/A/Resources/icudtl.dat" ]
   }
 
   action("copy_info_plist") {
     script = "//flutter/build/copy_info_plist.py"
     visibility = [ ":*" ]
-    sources = [
-      "assets/EmbedderInfo.plist",
-    ]
-    outputs = [
-      "$_flutter_embedder_framework_dir/Versions/A/Resources/Info.plist",
-    ]
+    sources = [ "assets/EmbedderInfo.plist" ]
+    outputs =
+        [ "$_flutter_embedder_framework_dir/Versions/A/Resources/Info.plist" ]
     args = [
       rebase_path(sources[0]),
       rebase_path(outputs[0]),
@@ -236,9 +218,7 @@ if (is_mac && !embedder_for_target) {
 
   copy("copy_module_map") {
     visibility = [ ":*" ]
-    sources = [
-      "assets/embedder.modulemap",
-    ]
+    sources = [ "assets/embedder.modulemap" ]
     outputs = [
       "$_flutter_embedder_framework_dir/Versions/A/Modules/module.modulemap",
     ]
@@ -247,24 +227,16 @@ if (is_mac && !embedder_for_target) {
   copy("copy_dylib") {
     visibility = [ ":*" ]
 
-    sources = [
-      "$root_out_dir/libflutter_engine.dylib",
-    ]
-    outputs = [
-      "$_flutter_embedder_framework_dir/$_framework_binary_subpath",
-    ]
+    sources = [ "$root_out_dir/libflutter_engine.dylib" ]
+    outputs = [ "$_flutter_embedder_framework_dir/$_framework_binary_subpath" ]
 
-    deps = [
-      ":flutter_engine_library",
-    ]
+    deps = [ ":flutter_engine_library" ]
   }
 
   action("generate_symlinks") {
     visibility = [ ":*" ]
     script = "//build/config/mac/package_framework.py"
-    outputs = [
-      "$root_build_dir/FlutterEmbedder.stamp",
-    ]
+    outputs = [ "$root_build_dir/FlutterEmbedder.stamp" ]
     args = [
       "--framework",
       "FlutterEmbedder.framework",
@@ -289,9 +261,7 @@ if (is_mac && !embedder_for_target) {
 
   group("flutter_embedder_framework") {
     visibility = [ ":*" ]
-    deps = [
-      ":generate_symlinks",
-    ]
+    deps = [ ":generate_symlinks" ]
   }
 }
 
diff --git a/shell/platform/fuchsia/BUILD.gn b/shell/platform/fuchsia/BUILD.gn
index e46ccff1f31be..45dc143af8aed 100644
--- a/shell/platform/fuchsia/BUILD.gn
+++ b/shell/platform/fuchsia/BUILD.gn
@@ -22,17 +22,13 @@ fuchsia_host_bundle("flutter_binaries") {
 
   _flutter_tester_label = "//flutter/shell/testing:testing($host_toolchain)"
 
-  deps = [
-    _flutter_tester_label,
-  ]
+  deps = [ _flutter_tester_label ]
 
   _flutter_tester_bin_path =
       rebase_path(get_label_info(_flutter_tester_label, "root_out_dir") +
                   "/flutter_tester")
 
-  sources = [
-    _flutter_tester_bin_path,
-  ]
+  sources = [ _flutter_tester_bin_path ]
 }
 
 fuchsia_host_bundle("dart_binaries") {
@@ -93,7 +89,5 @@ group("fuchsia") {
 group("tests") {
   testonly = true
 
-  deps = [
-    "flutter:tests",
-  ]
+  deps = [ "flutter:tests" ]
 }
diff --git a/shell/platform/fuchsia/dart-pkg/fuchsia/BUILD.gn b/shell/platform/fuchsia/dart-pkg/fuchsia/BUILD.gn
index d8b4765ac0d33..2ff857aaf082a 100644
--- a/shell/platform/fuchsia/dart-pkg/fuchsia/BUILD.gn
+++ b/shell/platform/fuchsia/dart-pkg/fuchsia/BUILD.gn
@@ -9,9 +9,7 @@ config("sdk_ext_config") {
 }
 
 group("fuchsia") {
-  public_deps = [
-    ":sdk_ext",
-  ]
+  public_deps = [ ":sdk_ext" ]
 }
 
 source_set("sdk_ext") {
diff --git a/shell/platform/fuchsia/dart/BUILD.gn b/shell/platform/fuchsia/dart/BUILD.gn
index bcdf913a9659b..1ddbf02c0e519 100644
--- a/shell/platform/fuchsia/dart/BUILD.gn
+++ b/shell/platform/fuchsia/dart/BUILD.gn
@@ -9,9 +9,7 @@ import("//third_party/dart/utils/compile_platform.gni")
 application_snapshot("kernel_compiler") {
   main_dart = "compiler.dart"
 
-  deps = [
-    "../flutter/kernel:kernel_platform_files($host_toolchain)",
-  ]
+  deps = [ "../flutter/kernel:kernel_platform_files($host_toolchain)" ]
 
   dot_packages =
       rebase_path("//third_party/dart/.dart_tool/package_config.json")
diff --git a/shell/platform/fuchsia/dart_runner/BUILD.gn b/shell/platform/fuchsia/dart_runner/BUILD.gn
index 197eabe0c9f6a..c69df5c1222b6 100644
--- a/shell/platform/fuchsia/dart_runner/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/BUILD.gn
@@ -40,13 +40,13 @@ template("runner") {
     dart_deps = []
     if (!invoker.product) {
       dart_deps += [
-        "//third_party/dart/runtime/bin:dart_io_api",
         "//flutter/shell/platform/fuchsia/runtime/dart/utils:utils",
+        "//third_party/dart/runtime/bin:dart_io_api",
       ]
     } else {
       dart_deps += [
-        "//third_party/dart/runtime/bin:dart_io_api_product",
         "//flutter/shell/platform/fuchsia/runtime/dart/utils:utils_product",
+        "//third_party/dart/runtime/bin:dart_io_api_product",
       ]
     }
 
@@ -130,9 +130,7 @@ template("aot_runner_package") {
     product_suffix = "_product"
   }
   fuchsia_archive(target_name) {
-    deps = [
-      ":dart_aot${product_suffix}_runner_bin",
-    ]
+    deps = [ ":dart_aot${product_suffix}_runner_bin" ]
     if (!invoker.product) {
       deps += [
         "vmservice:vmservice_snapshot",
diff --git a/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn b/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn
index 6c4173b863ad8..edbf3e4506ecd 100644
--- a/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn
@@ -35,16 +35,10 @@ template("create_aot_snapshot") {
     shim_kernel = get_label_info(shim_target, "target_gen_dir") +
                   "/shim${product_suffix}_kernel.dill"
 
-    inputs = [
-      shim_kernel,
-    ]
-    outputs = [
-      snapshot_assembly,
-    ]
+    inputs = [ shim_kernel ]
+    outputs = [ snapshot_assembly ]
 
-    deps = [
-      shim_target,
-    ]
+    deps = [ shim_target ]
     if (invoker.product) {
       tool = gen_snapshot_product
     } else {
@@ -70,9 +64,7 @@ template("create_aot_snapshot") {
   }
 
   source_set(target_name) {
-    deps = [
-      ":${target_name}_assembly",
-    ]
+    deps = [ ":${target_name}_assembly" ]
 
     sources = [
       "$target_gen_dir/aot${product_suffix}_vm_snapshot.S",
diff --git a/shell/platform/fuchsia/dart_runner/examples/goodbye_dart/BUILD.gn b/shell/platform/fuchsia/dart_runner/examples/goodbye_dart/BUILD.gn
index f8a76c2436c20..8e856ad91271f 100644
--- a/shell/platform/fuchsia/dart_runner/examples/goodbye_dart/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/examples/goodbye_dart/BUILD.gn
@@ -6,9 +6,7 @@ import("//build/testing/environments.gni")
 import("//topaz/runtime/dart_runner/dart_app.gni")
 
 dart_jit_app("goodbye_dart_jit") {
-  sources = [
-    "goodbye_dart.dart",
-  ]
+  sources = [ "goodbye_dart.dart" ]
   main_dart = "goodbye_dart.dart"
 
   source_dir = "."
@@ -26,9 +24,7 @@ dart_jit_app("goodbye_dart_jit") {
 }
 
 dart_aot_app("goodbye_dart_aot") {
-  sources = [
-    "goodbye_dart.dart",
-  ]
+  sources = [ "goodbye_dart.dart" ]
   main_dart = "goodbye_dart.dart"
 
   source_dir = "."
@@ -46,12 +42,8 @@ dart_aot_app("goodbye_dart_aot") {
 }
 
 copy("copy_goodbye_dart_test") {
-  sources = [
-    "goodbye_dart_test",
-  ]
-  outputs = [
-    "${root_build_dir}/goodbye_dart_test",
-  ]
+  sources = [ "goodbye_dart_test" ]
+  outputs = [ "${root_build_dir}/goodbye_dart_test" ]
 }
 
 package("goodbye_dart_test") {
@@ -62,7 +54,5 @@ package("goodbye_dart_test") {
       environments = basic_envs
     },
   ]
-  deps = [
-    ":copy_goodbye_dart_test",
-  ]
+  deps = [ ":copy_goodbye_dart_test" ]
 }
diff --git a/shell/platform/fuchsia/dart_runner/examples/greeting/BUILD.gn b/shell/platform/fuchsia/dart_runner/examples/greeting/BUILD.gn
index 082624f087445..067f8d4a67112 100644
--- a/shell/platform/fuchsia/dart_runner/examples/greeting/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/examples/greeting/BUILD.gn
@@ -7,9 +7,7 @@ import("//build/dart/dart_library.gni")
 dart_library("greeting") {
   infer_package_name = true
 
-  sources = [
-    "greeting.dart",
-  ]
+  sources = [ "greeting.dart" ]
 
   source_dir = "."
 }
diff --git a/shell/platform/fuchsia/dart_runner/examples/hello_app_dart/interfaces/BUILD.gn b/shell/platform/fuchsia/dart_runner/examples/hello_app_dart/interfaces/BUILD.gn
index 19ac79665f664..49e3a43fd4a74 100644
--- a/shell/platform/fuchsia/dart_runner/examples/hello_app_dart/interfaces/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/examples/hello_app_dart/interfaces/BUILD.gn
@@ -7,7 +7,5 @@ import("//build/fidl/fidl.gni")
 fidl("interfaces") {
   name = "fuchsia.examples.hello"
 
-  sources = [
-    "hello.fidl",
-  ]
+  sources = [ "hello.fidl" ]
 }
diff --git a/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn b/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn
index 6acacfff800ab..8d0ca96cb8404 100644
--- a/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn
@@ -39,9 +39,7 @@ template("create_kernel_core_snapshot") {
   }
 
   compiled_action(target_name) {
-    deps = [
-      ":kernel_platform_files",
-    ]
+    deps = [ ":kernel_platform_files" ]
 
     platform_dill = "$root_out_dir/dart_runner_patched_sdk/platform_strong.dill"
     compilation_trace =
diff --git a/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn b/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn
index b0c2adc7b65e4..ce44912e7dea8 100644
--- a/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn
@@ -42,19 +42,13 @@ template("aot_snapshot") {
     shim_kernel = get_label_info(shim_target, "target_gen_dir") +
                   "/vmservice${product_suffix}_aot_kernel.dill"
 
-    deps = [
-      shim_target,
-    ]
+    deps = [ shim_target ]
 
     snapshot_path = "$target_gen_dir/${kernel_name}_snapshot.so"
 
-    inputs = [
-      shim_kernel,
-    ]
+    inputs = [ shim_kernel ]
 
-    outputs = [
-      snapshot_path,
-    ]
+    outputs = [ snapshot_path ]
 
     if (product) {
       tool = gen_snapshot_product
diff --git a/shell/platform/fuchsia/flutter/BUILD.gn b/shell/platform/fuchsia/flutter/BUILD.gn
index ab119951f09df..ba68d1bac6905 100644
--- a/shell/platform/fuchsia/flutter/BUILD.gn
+++ b/shell/platform/fuchsia/flutter/BUILD.gn
@@ -184,9 +184,7 @@ template("aot_runner") {
   }
 
   fuchsia_archive(target_name) {
-    deps = [
-      ":aot${product_suffix}",
-    ]
+    deps = [ ":aot${product_suffix}" ]
 
     if (!product) {
       deps += [
@@ -444,9 +442,7 @@ executable("flutter_runner_scenic_unittests") {
     "//third_party/skia",
   ]
 
-  public_deps = [
-    "//third_party/googletest:gtest",
-  ]
+  public_deps = [ "//third_party/googletest:gtest" ]
 }
 
 # When adding a new dep here, please also ensure the dep is added to
@@ -454,9 +450,7 @@ executable("flutter_runner_scenic_unittests") {
 fuchsia_archive("flutter_runner_tests") {
   testonly = true
 
-  deps = [
-    ":flutter_runner_unittests",
-  ]
+  deps = [ ":flutter_runner_unittests" ]
 
   binary = "$target_name"
 
@@ -497,9 +491,7 @@ fuchsia_archive("flutter_runner_tests") {
 fuchsia_archive("flutter_runner_tzdata_tests") {
   testonly = true
 
-  deps = [
-    ":flutter_runner_tzdata_unittests",
-  ]
+  deps = [ ":flutter_runner_tzdata_unittests" ]
 
   binary = "$target_name"
 
@@ -525,9 +517,7 @@ fuchsia_archive("flutter_runner_tzdata_tests") {
 fuchsia_archive("flutter_runner_scenic_tests") {
   testonly = true
 
-  deps = [
-    ":flutter_runner_scenic_unittests",
-  ]
+  deps = [ ":flutter_runner_scenic_unittests" ]
 
   binary = "$target_name"
 
@@ -551,17 +541,13 @@ fuchsia_archive("flutter_runner_scenic_tests") {
 }
 
 fuchsia_test_archive("fml_tests") {
-  deps = [
-    "//flutter/fml:fml_unittests",
-  ]
+  deps = [ "//flutter/fml:fml_unittests" ]
 
   binary = "fml_unittests"
 }
 
 fuchsia_test_archive("flow_tests") {
-  deps = [
-    "//flutter/flow:flow_unittests",
-  ]
+  deps = [ "//flutter/flow:flow_unittests" ]
 
   binary = "flow_unittests"
 
@@ -585,9 +571,7 @@ fuchsia_test_archive("flow_tests") {
 }
 
 fuchsia_test_archive("flow_tests_next") {
-  deps = [
-    "//flutter/flow:flow_unittests_next",
-  ]
+  deps = [ "//flutter/flow:flow_unittests_next" ]
 
   binary = "flow_unittests_next"
 
@@ -703,17 +687,13 @@ fuchsia_test_archive("shell_tests_next") {
 }
 
 fuchsia_test_archive("testing_tests") {
-  deps = [
-    "//flutter/testing:testing_unittests",
-  ]
+  deps = [ "//flutter/testing:testing_unittests" ]
 
   binary = "testing_unittests"
 }
 
 fuchsia_test_archive("txt_tests") {
-  deps = [
-    "//flutter/third_party/txt:txt_unittests",
-  ]
+  deps = [ "//flutter/third_party/txt:txt_unittests" ]
 
   binary = "txt_unittests"
 
diff --git a/shell/platform/fuchsia/flutter/engine_flutter_runner.gni b/shell/platform/fuchsia/flutter/engine_flutter_runner.gni
index 57fd2286dea8c..630575b0980c4 100644
--- a/shell/platform/fuchsia/flutter/engine_flutter_runner.gni
+++ b/shell/platform/fuchsia/flutter/engine_flutter_runner.gni
@@ -93,8 +93,8 @@ template("flutter_runner") {
       "../flutter:fuchsia_legacy_gpu_configuration",
       "//flutter/assets",
       "//flutter/common",
-      "//flutter/fml",
       "//flutter/flow:flow_fuchsia_legacy",
+      "//flutter/fml",
       "//flutter/lib/ui:ui_fuchsia_legacy",
       "//flutter/runtime:runtime_fuchsia_legacy",
       "//flutter/shell/common:common_fuchsia_legacy",
diff --git a/shell/platform/fuchsia/flutter/kernel/BUILD.gn b/shell/platform/fuchsia/flutter/kernel/BUILD.gn
index 945a07bc47cd5..2f162486585ee 100644
--- a/shell/platform/fuchsia/flutter/kernel/BUILD.gn
+++ b/shell/platform/fuchsia/flutter/kernel/BUILD.gn
@@ -42,9 +42,7 @@ template("core_snapshot") {
   }
 
   compiled_action(target_name) {
-    deps = [
-      ":kernel_platform_files",
-    ]
+    deps = [ ":kernel_platform_files" ]
 
     platform_dill =
         "$root_out_dir/flutter_runner_patched_sdk/platform_strong.dill"
diff --git a/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn b/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn
index e4e9a3b17033e..8b0185a452afe 100644
--- a/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn
+++ b/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn
@@ -11,15 +11,9 @@ template("generate_dart_profiler_symbols") {
   assert(defined(invoker.output), "Must define 'output'")
 
   prebuilt_dart_action(target_name) {
-    deps = [
-      invoker.library_label,
-    ]
-    inputs = [
-      invoker.library_path,
-    ]
-    outputs = [
-      invoker.output,
-    ]
+    deps = [ invoker.library_label ]
+    inputs = [ invoker.library_path ]
+    outputs = [ invoker.output ]
 
     script = "dart_profiler_symbols.dart"
 
diff --git a/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn b/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn
index b2db2b9143912..ecbfb0ead44ef 100644
--- a/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn
+++ b/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn
@@ -51,13 +51,9 @@ template("make_utils") {
 }
 
 make_utils("utils") {
-  deps = [
-    "//third_party/dart/runtime/bin:elf_loader",
-  ]
+  deps = [ "//third_party/dart/runtime/bin:elf_loader" ]
 }
 
 make_utils("utils_product") {
-  deps = [
-    "//third_party/dart/runtime/bin:elf_loader_product",
-  ]
+  deps = [ "//third_party/dart/runtime/bin:elf_loader_product" ]
 }
diff --git a/shell/platform/glfw/BUILD.gn b/shell/platform/glfw/BUILD.gn
index 0911a4d053af7..b0e65d6328cbf 100644
--- a/shell/platform/glfw/BUILD.gn
+++ b/shell/platform/glfw/BUILD.gn
@@ -17,9 +17,8 @@ config("relative_flutter_glfw_headers") {
 source_set("flutter_glfw_headers") {
   public = _public_headers
 
-  public_deps = [
-    "//flutter/shell/platform/common/cpp:common_cpp_library_headers",
-  ]
+  public_deps =
+      [ "//flutter/shell/platform/common/cpp:common_cpp_library_headers" ]
 
   configs +=
       [ "//flutter/shell/platform/common/cpp:desktop_library_implementation" ]
@@ -74,12 +73,8 @@ source_set("flutter_glfw") {
 
 copy("publish_headers_glfw") {
   sources = _public_headers
-  outputs = [
-    "$root_out_dir/{{source_file_part}}",
-  ]
+  outputs = [ "$root_out_dir/{{source_file_part}}" ]
 
   # The GLFW header assumes the presence of the common headers.
-  deps = [
-    "//flutter/shell/platform/common/cpp:publish_headers",
-  ]
+  deps = [ "//flutter/shell/platform/common/cpp:publish_headers" ]
 }
diff --git a/shell/platform/glfw/client_wrapper/BUILD.gn b/shell/platform/glfw/client_wrapper/BUILD.gn
index 81111434ace27..d5115de50d84c 100644
--- a/shell/platform/glfw/client_wrapper/BUILD.gn
+++ b/shell/platform/glfw/client_wrapper/BUILD.gn
@@ -62,9 +62,7 @@ source_set("client_wrapper_library_stubs_glfw") {
 
   defines = [ "FLUTTER_DESKTOP_LIBRARY" ]
 
-  public_deps = [
-    "//flutter/shell/platform/glfw:flutter_glfw_headers",
-  ]
+  public_deps = [ "//flutter/shell/platform/glfw:flutter_glfw_headers" ]
 }
 
 test_fixtures("client_wrapper_glfw_fixtures") {
diff --git a/shell/platform/linux/BUILD.gn b/shell/platform/linux/BUILD.gn
index 3029ba6e8eaba..efad5e89d868e 100644
--- a/shell/platform/linux/BUILD.gn
+++ b/shell/platform/linux/BUILD.gn
@@ -33,9 +33,7 @@ config("disable_fatal_link_warnings") {
 
 if (build_glfw_shell) {
   shared_library("flutter_linux_glfw") {
-    deps = [
-      "//flutter/shell/platform/glfw:flutter_glfw",
-    ]
+    deps = [ "//flutter/shell/platform/glfw:flutter_glfw" ]
 
     configs += [ ":disable_fatal_link_warnings" ]
 
@@ -122,13 +120,9 @@ source_set("flutter_linux") {
     "//third_party/khronos:khronos_headers",
   ]
 
-  public_deps = [
-    ":flutter_linux_sources",
-  ]
+  public_deps = [ ":flutter_linux_sources" ]
 
-  deps = [
-    "//flutter/shell/platform/embedder:embedder_as_internal_library",
-  ]
+  deps = [ "//flutter/shell/platform/embedder:embedder_as_internal_library" ]
 }
 
 test_fixtures("flutter_linux_fixtures") {
@@ -177,16 +171,12 @@ executable("flutter_linux_unittests") {
 }
 
 shared_library("flutter_linux_gtk") {
-  deps = [
-    ":flutter_linux",
-  ]
+  deps = [ ":flutter_linux" ]
 
   public_configs = [ "//flutter:config" ]
 }
 
 copy("publish_headers_linux") {
   sources = _public_headers
-  outputs = [
-    "$root_out_dir/flutter_linux/{{source_file_part}}",
-  ]
+  outputs = [ "$root_out_dir/flutter_linux/{{source_file_part}}" ]
 }
diff --git a/shell/platform/windows/BUILD.gn b/shell/platform/windows/BUILD.gn
index 27a2cdb366c3f..14adddc19c51f 100644
--- a/shell/platform/windows/BUILD.gn
+++ b/shell/platform/windows/BUILD.gn
@@ -26,9 +26,8 @@ config("relative_flutter_windows_headers") {
 source_set("flutter_windows_headers") {
   public = _public_headers
 
-  public_deps = [
-    "//flutter/shell/platform/common/cpp:common_cpp_library_headers",
-  ]
+  public_deps =
+      [ "//flutter/shell/platform/common/cpp:common_cpp_library_headers" ]
 
   configs +=
       [ "//flutter/shell/platform/common/cpp:desktop_library_implementation" ]
@@ -82,7 +81,11 @@ source_set("flutter_windows_source") {
     "//flutter/shell/platform/common/cpp/client_wrapper:client_wrapper",
     "//flutter/shell/platform/embedder:embedder_as_internal_library",
     "//flutter/shell/platform/windows/client_wrapper:client_wrapper_windows",
-    "//third_party/angle:libEGL_static",  # the order of libEGL_static and libGLESv2_static is important.. if reversed, will cause a linker error DllMain already defined in LIBCMTD.lib
+    "//third_party/angle:libEGL_static",  # the order of libEGL_static and
+                                          # libGLESv2_static is important.. if
+                                          # reversed, will cause a linker error
+                                          # DllMain already defined in
+                                          # LIBCMTD.lib
     "//third_party/angle:libGLESv2_static",
     "//third_party/rapidjson",
   ]
@@ -90,20 +93,14 @@ source_set("flutter_windows_source") {
 
 copy("publish_headers_windows") {
   sources = _public_headers
-  outputs = [
-    "$root_out_dir/{{source_file_part}}",
-  ]
+  outputs = [ "$root_out_dir/{{source_file_part}}" ]
 
   # The Windows header assumes the presence of the common headers.
-  deps = [
-    "//flutter/shell/platform/common/cpp:publish_headers",
-  ]
+  deps = [ "//flutter/shell/platform/common/cpp:publish_headers" ]
 }
 
 shared_library("flutter_windows") {
-  deps = [
-    ":flutter_windows_source",
-  ]
+  deps = [ ":flutter_windows_source" ]
 
   public_configs = [ "//flutter:config" ]
 }
@@ -138,9 +135,7 @@ executable("flutter_windows_unittests") {
 }
 
 shared_library("flutter_windows_glfw") {
-  deps = [
-    "//flutter/shell/platform/glfw:flutter_glfw",
-  ]
+  deps = [ "//flutter/shell/platform/glfw:flutter_glfw" ]
 
   public_configs = [ "//flutter:config" ]
 }
diff --git a/shell/platform/windows/client_wrapper/BUILD.gn b/shell/platform/windows/client_wrapper/BUILD.gn
index f92640e80f7f7..6f89a81a2dd8a 100644
--- a/shell/platform/windows/client_wrapper/BUILD.gn
+++ b/shell/platform/windows/client_wrapper/BUILD.gn
@@ -57,9 +57,7 @@ source_set("client_wrapper_library_stubs_windows") {
 
   defines = [ "FLUTTER_DESKTOP_LIBRARY" ]
 
-  public_deps = [
-    "//flutter/shell/platform/windows:flutter_windows_headers",
-  ]
+  public_deps = [ "//flutter/shell/platform/windows:flutter_windows_headers" ]
 }
 
 test_fixtures("client_wrapper_windows_fixtures") {
diff --git a/shell/testing/BUILD.gn b/shell/testing/BUILD.gn
index 7efbb33fbf7b9..459e7e9886db6 100644
--- a/shell/testing/BUILD.gn
+++ b/shell/testing/BUILD.gn
@@ -12,9 +12,7 @@ executable("testing") {
     "//flutter:export_dynamic_symbols",
   ]
 
-  sources = [
-    "tester_main.cc",
-  ]
+  sources = [ "tester_main.cc" ]
 
   deps = [
     "//flutter/assets",
diff --git a/sky/dist/BUILD.gn b/sky/dist/BUILD.gn
index 530b374220daf..33601a752dab7 100644
--- a/sky/dist/BUILD.gn
+++ b/sky/dist/BUILD.gn
@@ -11,12 +11,8 @@ if (is_android) {
     source = "//flutter/sky/packages/flutter_services"
     dest = "$root_build_dir/dist/packages/flutter_services"
 
-    inputs = [
-      source,
-    ]
-    outputs = [
-      dest,
-    ]
+    inputs = [ source ]
+    outputs = [ dest ]
 
     args = [
       "--source",
@@ -25,9 +21,7 @@ if (is_android) {
       rebase_path(dest),
     ]
 
-    deps = [
-      "//flutter/sky/packages/flutter_services",
-    ]
+    deps = [ "//flutter/sky/packages/flutter_services" ]
   }
   action("sky_engine") {
     script = "//flutter/sky/tools/dist_dart_pkg.py"
@@ -35,12 +29,8 @@ if (is_android) {
     source = "$root_gen_dir/dart-pkg/sky_engine"
     dest = "$root_build_dir/dist/packages/sky_engine"
 
-    inputs = [
-      source,
-    ]
-    outputs = [
-      dest,
-    ]
+    inputs = [ source ]
+    outputs = [ dest ]
 
     args = [
       "--source",
@@ -61,12 +51,8 @@ if (is_android) {
     source = "$root_gen_dir/dart-pkg/sky_services"
     dest = "$root_build_dir/dist/packages/sky_services"
 
-    inputs = [
-      source,
-    ]
-    outputs = [
-      dest,
-    ]
+    inputs = [ source ]
+    outputs = [ dest ]
 
     args = [
       "--source",
@@ -107,8 +93,6 @@ if (is_android) {
 
 group("dist") {
   if (is_android) {
-    deps = [
-      ":zip",
-    ]
+    deps = [ ":zip" ]
   }
 }
diff --git a/sky/packages/flutter_services/BUILD.gn b/sky/packages/flutter_services/BUILD.gn
index fd3ac3b42e368..ad36ae94b10a1 100644
--- a/sky/packages/flutter_services/BUILD.gn
+++ b/sky/packages/flutter_services/BUILD.gn
@@ -3,7 +3,5 @@
 # found in the LICENSE file.
 
 group("flutter_services") {
-  deps = [
-    "//flutter/sky/packages/sky_services",
-  ]
+  deps = [ "//flutter/sky/packages/sky_services" ]
 }
diff --git a/sky/packages/sky_engine/BUILD.gn b/sky/packages/sky_engine/BUILD.gn
index 55a2b63aac150..0aad7cd01c3d3 100644
--- a/sky/packages/sky_engine/BUILD.gn
+++ b/sky/packages/sky_engine/BUILD.gn
@@ -26,13 +26,9 @@ import("//third_party/dart/sdk/lib/wasm/wasm_sources.gni")
 
 if (!is_fuchsia) {
   copy("copy_sky_engine_authors") {
-    sources = [
-      "//AUTHORS",
-    ]
+    sources = [ "//AUTHORS" ]
 
-    outputs = [
-      "$root_gen_dir/dart-pkg/sky_engine/{{source_file_part}}",
-    ]
+    outputs = [ "$root_gen_dir/dart-pkg/sky_engine/{{source_file_part}}" ]
   }
 }
 
@@ -41,9 +37,8 @@ dart_sdk_lib_path = rebase_path("//third_party/dart/sdk/lib")
 copy("async") {
   lib_path = rebase_path("async", "", dart_sdk_lib_path)
   sources = rebase_path(async_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/async/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/async/{{source_file_part}}" ]
 }
 
 copy("collection") {
@@ -57,33 +52,29 @@ copy("collection") {
 copy("convert") {
   lib_path = rebase_path("convert", "", dart_sdk_lib_path)
   sources = rebase_path(convert_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/convert/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/convert/{{source_file_part}}" ]
 }
 
 copy("core") {
   lib_path = rebase_path("core", "", dart_sdk_lib_path)
   sources = rebase_path(core_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/core/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/core/{{source_file_part}}" ]
 }
 
 copy("developer") {
   lib_path = rebase_path("developer", "", dart_sdk_lib_path)
   sources = rebase_path(developer_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/developer/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/developer/{{source_file_part}}" ]
 }
 
 copy("_http") {
   lib_path = rebase_path("_http", "", dart_sdk_lib_path)
   sources = rebase_path(http_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/_http/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/_http/{{source_file_part}}" ]
 }
 
 copy("_interceptors") {
@@ -97,65 +88,54 @@ copy("_interceptors") {
 copy("internal") {
   lib_path = rebase_path("internal", "", dart_sdk_lib_path)
   sources = rebase_path(internal_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/internal/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/internal/{{source_file_part}}" ]
 }
 
 copy("io") {
   lib_path = rebase_path("io", "", dart_sdk_lib_path)
   sources = rebase_path(io_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/io/{{source_file_part}}",
-  ]
+  outputs = [ "$root_gen_dir/dart-pkg/sky_engine/lib/io/{{source_file_part}}" ]
 }
 
 copy("ffi") {
   lib_path = rebase_path("ffi", "", dart_sdk_lib_path)
   sources = rebase_path(ffi_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/ffi/{{source_file_part}}",
-  ]
+  outputs = [ "$root_gen_dir/dart-pkg/sky_engine/lib/ffi/{{source_file_part}}" ]
 }
 
 copy("html") {
   lib_path = rebase_path("html", "", dart_sdk_lib_path)
   sources = rebase_path(html_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/html/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/html/{{source_file_part}}" ]
 }
 
 copy("isolate") {
   lib_path = rebase_path("isolate", "", dart_sdk_lib_path)
   sources = rebase_path(isolate_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/isolate/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/isolate/{{source_file_part}}" ]
 }
 
 copy("js") {
   lib_path = rebase_path("js", "", dart_sdk_lib_path)
   sources = rebase_path(js_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/js/{{source_file_part}}",
-  ]
+  outputs = [ "$root_gen_dir/dart-pkg/sky_engine/lib/js/{{source_file_part}}" ]
 }
 
 copy("js_util") {
   lib_path = rebase_path("js_util", "", dart_sdk_lib_path)
   sources = rebase_path(js_util_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/js_util/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/js_util/{{source_file_part}}" ]
 }
 
 copy("math") {
   lib_path = rebase_path("math", "", dart_sdk_lib_path)
   sources = rebase_path(math_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/math/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/math/{{source_file_part}}" ]
 }
 
 copy("typed_data") {
@@ -169,23 +149,18 @@ copy("typed_data") {
 copy("wasm") {
   lib_path = rebase_path("wasm", "", dart_sdk_lib_path)
   sources = rebase_path(wasm_sdk_sources, "", lib_path)
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/wasm/{{source_file_part}}",
-  ]
+  outputs =
+      [ "$root_gen_dir/dart-pkg/sky_engine/lib/wasm/{{source_file_part}}" ]
 }
 
 copy("copy_dart_ui") {
   sources = dart_ui_files
 
-  outputs = [
-    "$root_gen_dir/dart-pkg/sky_engine/lib/ui/{{source_file_part}}",
-  ]
+  outputs = [ "$root_gen_dir/dart-pkg/sky_engine/lib/ui/{{source_file_part}}" ]
 }
 
 copy("copy_allowed_experiments") {
-  sources = [
-    "//third_party/dart/sdk/lib/_internal/allowed_experiments.json",
-  ]
+  sources = [ "//third_party/dart/sdk/lib/_internal/allowed_experiments.json" ]
 
   outputs = [
     "$root_gen_dir/dart-pkg/sky_engine/lib/_internal/allowed_experiments.json",
diff --git a/sky/packages/sky_services/BUILD.gn b/sky/packages/sky_services/BUILD.gn
index 936274e72e572..077b3c588e09e 100644
--- a/sky/packages/sky_services/BUILD.gn
+++ b/sky/packages/sky_services/BUILD.gn
@@ -11,9 +11,7 @@ if (!is_fuchsia) {
       "//LICENSE",
     ]
 
-    outputs = [
-      "$root_gen_dir/dart-pkg/sky_services/{{source_file_part}}",
-    ]
+    outputs = [ "$root_gen_dir/dart-pkg/sky_services/{{source_file_part}}" ]
   }
 }
 
@@ -24,8 +22,6 @@ dart_pkg("sky_services") {
   ]
 
   if (!is_fuchsia) {
-    deps = [
-      ":copy_sky_services_license",
-    ]
+    deps = [ ":copy_sky_services_license" ]
   }
 }
diff --git a/testing/BUILD.gn b/testing/BUILD.gn
index 788728d86f24e..db338fb42d646 100644
--- a/testing/BUILD.gn
+++ b/testing/BUILD.gn
@@ -36,9 +36,7 @@ source_set("testing") {
     "test_timeout_listener.h",
   ]
 
-  public_deps = [
-    ":testing_lib",
-  ]
+  public_deps = [ ":testing_lib" ]
 }
 
 source_set_maybe_fuchsia_legacy("dart") {
@@ -90,9 +88,7 @@ source_set_maybe_fuchsia_legacy("fixture_test") {
     "fixture_test.h",
   ]
 
-  public_deps = [
-    "//flutter/common",
-  ]
+  public_deps = [ "//flutter/common" ]
 
   public_deps_legacy_and_next = [
     ":dart",
diff --git a/testing/testing.gni b/testing/testing.gni
index 917b0414979de..ddab4905663cf 100644
--- a/testing/testing.gni
+++ b/testing/testing.gni
@@ -35,9 +35,7 @@ template("fixtures_location") {
 
   source_set(target_name) {
     public = []
-    sources = [
-      location_source_path,
-    ]
+    sources = [ location_source_path ]
   }
 }
 
@@ -70,13 +68,9 @@ template("dart_snapshot_kernel") {
 
     script = "$root_out_dir/frontend_server.dart.snapshot"
 
-    inputs = [
-      invoker.dart_main,
-    ]
+    inputs = [ invoker.dart_main ]
 
-    outputs = [
-      invoker.dart_kernel,
-    ]
+    outputs = [ invoker.dart_kernel ]
 
     snapshot_depfile = "$target_gen_dir/snapshot_$target_name.depfile.d"
     depfile = snapshot_depfile
@@ -126,16 +120,12 @@ template("dart_snapshot_aot") {
 
     tool = "//third_party/dart/runtime/bin:gen_snapshot"
 
-    inputs = [
-      invoker.dart_kernel,
-    ]
+    inputs = [ invoker.dart_kernel ]
 
     # Custom ELF loader is used for Mac and Windows.
     elf_object = "$target_gen_dir/assets/app_elf_snapshot.so"
 
-    outputs = [
-      elf_object,
-    ]
+    outputs = [ elf_object ]
 
     args = [
       "--no-causal_async_stacks",
@@ -175,9 +165,7 @@ template("dart_snapshot") {
     dart_snapshot_aot_target_name = "_dsa_$target_name"
     dart_snapshot_aot(dart_snapshot_aot_target_name) {
       dart_kernel = dart_snapshot_kernel_path
-      deps = [
-        ":$dart_snapshot_kernel_target_name",
-      ]
+      deps = [ ":$dart_snapshot_kernel_target_name" ]
     }
     snapshot_deps += [ ":$dart_snapshot_aot_target_name" ]
   }
@@ -208,9 +196,7 @@ template("copy_fixtures") {
   if (has_fixtures) {
     copy(target_name) {
       sources = invoker.fixtures
-      outputs = [
-        "$target_gen_dir/assets/{{source_file_part}}",
-      ]
+      outputs = [ "$target_gen_dir/assets/{{source_file_part}}" ]
     }
   } else {
     group(target_name) {
diff --git a/third_party/tonic/converter/BUILD.gn b/third_party/tonic/converter/BUILD.gn
index cb4c64b88d807..1cde8c17e5ff4 100644
--- a/third_party/tonic/converter/BUILD.gn
+++ b/third_party/tonic/converter/BUILD.gn
@@ -12,11 +12,7 @@ source_set("converter") {
     "dart_converter.h",
   ]
 
-  deps = [
-    "../common",
-  ]
+  deps = [ "../common" ]
 
-  public_deps = [
-    "//third_party/dart/runtime:dart_api",
-  ]
+  public_deps = [ "//third_party/dart/runtime:dart_api" ]
 }
diff --git a/third_party/tonic/filesystem/BUILD.gn b/third_party/tonic/filesystem/BUILD.gn
index a8bbfd364c40c..d36cfe7183ee9 100644
--- a/third_party/tonic/filesystem/BUILD.gn
+++ b/third_party/tonic/filesystem/BUILD.gn
@@ -3,7 +3,5 @@
 # found in the LICENSE file.
 
 group("filesystem") {
-  public_deps = [
-    "filesystem",
-  ]
+  public_deps = [ "filesystem" ]
 }
diff --git a/third_party/tonic/filesystem/filesystem/BUILD.gn b/third_party/tonic/filesystem/filesystem/BUILD.gn
index 7b8cbd688fa12..197a35e907ab4 100644
--- a/third_party/tonic/filesystem/filesystem/BUILD.gn
+++ b/third_party/tonic/filesystem/filesystem/BUILD.gn
@@ -29,9 +29,7 @@ source_set("filesystem") {
     sources += [ "path_posix.cc" ]
   }
 
-  deps = [
-    "../../common",
-  ]
+  deps = [ "../../common" ]
 
   public_configs = [ ":filesystem_config" ]
 }
diff --git a/third_party/tonic/filesystem/tests/BUILD.gn b/third_party/tonic/filesystem/tests/BUILD.gn
index 04d933b576751..f61cdfc6137d3 100644
--- a/third_party/tonic/filesystem/tests/BUILD.gn
+++ b/third_party/tonic/filesystem/tests/BUILD.gn
@@ -14,7 +14,5 @@ executable("files_unittests") {
     "scoped_temp_dir_unittest.cc",
   ]
 
-  deps = [
-    ":../:filesystem",
-  ]
+  deps = [ ":../:filesystem" ]
 }
diff --git a/third_party/tonic/logging/BUILD.gn b/third_party/tonic/logging/BUILD.gn
index 2c458e0136ecc..cee90880f6070 100644
--- a/third_party/tonic/logging/BUILD.gn
+++ b/third_party/tonic/logging/BUILD.gn
@@ -19,7 +19,5 @@ source_set("logging") {
     "../converter",
   ]
 
-  public_deps = [
-    "//third_party/dart/runtime:dart_api",
-  ]
+  public_deps = [ "//third_party/dart/runtime:dart_api" ]
 }
diff --git a/third_party/tonic/parsers/BUILD.gn b/third_party/tonic/parsers/BUILD.gn
index a73ba2d0dce44..b03ae32a1363b 100644
--- a/third_party/tonic/parsers/BUILD.gn
+++ b/third_party/tonic/parsers/BUILD.gn
@@ -7,9 +7,7 @@ source_set("parsers") {
 
   configs += [ "../:config" ]
 
-  deps = [
-    "../common",
-  ]
+  deps = [ "../common" ]
 
   sources = [
     "packages_map.cc",
diff --git a/third_party/tonic/scopes/BUILD.gn b/third_party/tonic/scopes/BUILD.gn
index 5b7a1193f2abd..af2a3a9fc6f5c 100644
--- a/third_party/tonic/scopes/BUILD.gn
+++ b/third_party/tonic/scopes/BUILD.gn
@@ -13,11 +13,7 @@ source_set("scopes") {
     "dart_isolate_scope.h",
   ]
 
-  deps = [
-    "../common",
-  ]
+  deps = [ "../common" ]
 
-  public_deps = [
-    "//third_party/dart/runtime:dart_api",
-  ]
+  public_deps = [ "//third_party/dart/runtime:dart_api" ]
 }
diff --git a/third_party/tonic/typed_data/BUILD.gn b/third_party/tonic/typed_data/BUILD.gn
index 13765646c00d6..cdc58d43afa62 100644
--- a/third_party/tonic/typed_data/BUILD.gn
+++ b/third_party/tonic/typed_data/BUILD.gn
@@ -21,9 +21,7 @@ source_set("typed_data") {
     "uint8_list.h",
   ]
 
-  deps = [
-    "../common",
-  ]
+  deps = [ "../common" ]
 
   public_deps = [
     "../converter",
diff --git a/third_party/txt/BUILD.gn b/third_party/txt/BUILD.gn
index a0fc4eb69ac4f..2937804db5711 100644
--- a/third_party/txt/BUILD.gn
+++ b/third_party/txt/BUILD.gn
@@ -143,9 +143,7 @@ source_set("txt") {
     "//third_party/skia",
   ]
 
-  deps = [
-    "//third_party/skia",
-  ]
+  deps = [ "//third_party/skia" ]
 
   if (flutter_use_fontconfig) {
     deps += [ "//third_party/fontconfig" ]
@@ -180,8 +178,8 @@ source_set("txt") {
 
 if (enable_unittests) {
   txt_common_executable_deps = [
-    "//third_party/dart/runtime:libdart_jit",  # For logging.
     "//flutter/fml",  # For ICU initialization.
+    "//third_party/dart/runtime:libdart_jit",  # For logging.
   ]
 
   test_fixtures("txt_fixtures") {
diff --git a/tools/const_finder/BUILD.gn b/tools/const_finder/BUILD.gn
index 598f3f04b2eb3..0399e1011f80b 100644
--- a/tools/const_finder/BUILD.gn
+++ b/tools/const_finder/BUILD.gn
@@ -16,7 +16,5 @@ application_snapshot("const_finder") {
     ".dart_tool/package_config.json",
   ]
 
-  deps = [
-    "//flutter/flutter_frontend_server:frontend_server",
-  ]
+  deps = [ "//flutter/flutter_frontend_server:frontend_server" ]
 }
diff --git a/tools/font-subset/BUILD.gn b/tools/font-subset/BUILD.gn
index 9c2625833af3d..54c5f75e3a101 100644
--- a/tools/font-subset/BUILD.gn
+++ b/tools/font-subset/BUILD.gn
@@ -8,9 +8,7 @@ executable("font-subset") {
     "main.cc",
   ]
 
-  deps = [
-    "//third_party/harfbuzz",
-  ]
+  deps = [ "//third_party/harfbuzz" ]
 
   libs = []
   if (is_mac) {
diff --git a/tools/fuchsia/dart_kernel.gni b/tools/fuchsia/dart_kernel.gni
index f3ebc64d8b61d..97f098fbf67dd 100644
--- a/tools/fuchsia/dart_kernel.gni
+++ b/tools/fuchsia/dart_kernel.gni
@@ -14,9 +14,7 @@ template("dart_kernel") {
 
     main_dart = rebase_path(invoker.main_dart)
 
-    deps = [
-      invoker.kernel_platform_files,
-    ]
+    deps = [ invoker.kernel_platform_files ]
 
     gen_kernel_script = "//third_party/dart/pkg/vm/bin/gen_kernel.dart"
     platform_dill = "$root_out_dir/dart_runner_patched_sdk/platform_strong.dill"
@@ -32,9 +30,7 @@ template("dart_kernel") {
     ]
 
     output = "$target_gen_dir/$target_name.dill"
-    outputs = [
-      output,
-    ]
+    outputs = [ output ]
 
     depfile = "$output.d"
     abs_depfile = rebase_path(depfile)
diff --git a/tools/fuchsia/fuchsia_archive.gni b/tools/fuchsia/fuchsia_archive.gni
index 32d8f1215f215..d5986030ef8f4 100644
--- a/tools/fuchsia/fuchsia_archive.gni
+++ b/tools/fuchsia/fuchsia_archive.gni
@@ -64,12 +64,8 @@ template("fuchsia_archive") {
   }
 
   copy("$cmx_target") {
-    sources = [
-      "$cmx_file",
-    ]
-    outputs = [
-      "$far_base_dir/meta/${pkg_target_name}.cmx",
-    ]
+    sources = [ "$cmx_file" ]
+    outputs = [ "$far_base_dir/meta/${pkg_target_name}.cmx" ]
   }
 
   write_file("${far_base_dir}/meta/package",
diff --git a/tools/fuchsia/fuchsia_debug_symbols.gni b/tools/fuchsia/fuchsia_debug_symbols.gni
index b610deb13d703..5c6b04edca8f0 100644
--- a/tools/fuchsia/fuchsia_debug_symbols.gni
+++ b/tools/fuchsia/fuchsia_debug_symbols.gni
@@ -21,9 +21,7 @@ template("_copy_debug_symbols") {
 
     script = "//flutter/tools/fuchsia/copy_debug_symbols.py"
 
-    sources = [
-      binary_path,
-    ]
+    sources = [ binary_path ]
 
     _dest_base = "${root_out_dir}/flutter-debug-symbols-${flutter_runtime_mode}-${target_os}-${target_cpu}"
 
@@ -42,9 +40,7 @@ template("_copy_debug_symbols") {
       args += [ "--unstripped" ]
     }
 
-    outputs = [
-      "${_dest_base}/.${target_name}_success",
-    ]
+    outputs = [ "${_dest_base}/.${target_name}_success" ]
   }
 }
 
diff --git a/tools/fuchsia/fuchsia_host_bundle.gni b/tools/fuchsia/fuchsia_host_bundle.gni
index 396fcffb4537d..06a275f60408e 100644
--- a/tools/fuchsia/fuchsia_host_bundle.gni
+++ b/tools/fuchsia/fuchsia_host_bundle.gni
@@ -17,8 +17,6 @@ template("fuchsia_host_bundle") {
 
     sources = invoker.sources
 
-    outputs = [
-      "${_dest_dir}/{{source_file_part}}",
-    ]
+    outputs = [ "${_dest_dir}/{{source_file_part}}" ]
   }
 }
diff --git a/web_sdk/BUILD.gn b/web_sdk/BUILD.gn
index 205c25fda4bc1..4ce681c00d04a 100644
--- a/web_sdk/BUILD.gn
+++ b/web_sdk/BUILD.gn
@@ -52,9 +52,7 @@ prebuilt_dart_action("web_ui_sources") {
   output_dir = rebase_path("$root_out_dir/flutter_web_sdk/lib/ui/")
   input_dir = rebase_path("//flutter/lib/web_ui/lib/")
 
-  outputs = [
-    "$target_gen_dir/$target_name.stamp",
-  ]
+  outputs = [ "$target_gen_dir/$target_name.stamp" ]
 
   args = [
     "--output-dir=$output_dir",
@@ -78,9 +76,7 @@ prebuilt_dart_action("web_engine_sources") {
   output_dir = rebase_path("$root_out_dir/flutter_web_sdk/lib/_engine/")
   input_dir = rebase_path("//flutter/lib/web_ui/lib/src/")
 
-  outputs = [
-    "$target_gen_dir/$target_name.stamp",
-  ]
+  outputs = [ "$target_gen_dir/$target_name.stamp" ]
 
   args = [
     "--output-dir=$output_dir",
@@ -97,13 +93,9 @@ prebuilt_dart_action("web_engine_sources") {
 }
 
 copy("web_ui_library") {
-  sources = [
-    "//flutter/web_sdk/libraries.json",
-  ]
+  sources = [ "//flutter/web_sdk/libraries.json" ]
 
-  outputs = [
-    "$root_out_dir/flutter_web_sdk/{{source_file_part}}",
-  ]
+  outputs = [ "$root_out_dir/flutter_web_sdk/{{source_file_part}}" ]
 }
 
 # Compile the DDC SDK's summary.
@@ -117,9 +109,7 @@ prebuilt_dart_action("flutter_dartdevc_kernel_sdk_outline") {
 
   inputs = [ "sdk_rewriter.dart" ] + web_ui_sources + web_engine_sources
 
-  outputs = [
-    sdk_dill,
-  ]
+  outputs = [ sdk_dill ]
 
   script = "//third_party/dart/utils/bazel/kernel_worker.dart"
 
@@ -373,9 +363,7 @@ prebuilt_dart_action("flutter_dartdevc_kernel_sdk_outline_sound") {
 
   inputs = [ "sdk_rewriter.dart" ] + web_ui_sources + web_engine_sources
 
-  outputs = [
-    sdk_dill_sound,
-  ]
+  outputs = [ sdk_dill_sound ]
 
   script = "//third_party/dart/utils/bazel/kernel_worker.dart"