Revert dart rolls (flutter#7913)

* Roll back three Dart SDK rolls

Revert "Roll src/third_party/dart 75ee523..4cff5a4 (6 commits)"
Revert "Roll src/third_party/dart 5ddd157..75ee523 (19 commits)"
Revert "Roll src/third_party/dart c92d5ca..5ddd157 (153 commits)"

`pub upgrade` appears to fail 100% reproducibly on broken on Windows.
This rollback rolls back both what appears to be the breaking roll (61fc178)
and the following roll.

This reverts commit 0053c1d.
This reverts commit 1cf6b8b.
This reverts commit 61fc178.

* Revert "Revert "Revert "Remove unnecessary entry-point closurization. (flutter#7827)" (flutter#7876)" (flutter#7904)"

This reverts commit 93eeb48.

DEPS

@@ -31,7 +31,7 @@ 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': '4cff5a4fd6a02c5c4277a9087e6fb69052b120f9',
+  'dart_revision': 'c92d5ca288da15b54b04c0a40ffe5d94a8883d77',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -47,9 +47,9 @@ vars = {
   'dart_convert_tag': '2.0.2',
   'dart_crypto_tag': '2.0.6',
   'dart_csslib_tag': '0.14.4+1',
-  'dart_dart2js_info_tag': '0.6.0',
+  'dart_dart2js_info_tag': '0.5.15',
   'dart_dart_style_tag': '1.2.2',
-  'dart_dartdoc_tag': 'v0.28.2',
+  'dart_dartdoc_tag': 'v0.28.1+2',
   'dart_fixnum_tag': '0.10.9',
   'dart_glob_tag': '1.1.7',
   'dart_html_tag': '0.13.3+2',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: 049b7971585ead7ab4f23b8bdf29853f
+Signature: a76c88a9ff389b1401e9df71fb13c1f6
 
 UNUSED LICENSES:
 
@@ -5707,8 +5707,6 @@ FILE: ../../../third_party/dart/runtime/lib/ffi_dynamic_library.cc
 FILE: ../../../third_party/dart/runtime/lib/ffi_dynamic_library_patch.dart
 FILE: ../../../third_party/dart/runtime/lib/ffi_native_type_patch.dart
 FILE: ../../../third_party/dart/runtime/lib/ffi_patch.dart
-FILE: ../../../third_party/dart/runtime/tools/graphexplorer/graphexplorer.html
-FILE: ../../../third_party/dart/runtime/tools/graphexplorer/graphexplorer.js
 FILE: ../../../third_party/dart/runtime/vm/class_id.h
 FILE: ../../../third_party/dart/runtime/vm/code_entry_kind.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/asm_intrinsifier.cc
@@ -5753,7 +5751,6 @@ FILE: ../../../third_party/dart/runtime/vm/type_testing_stubs_arm.cc
 FILE: ../../../third_party/dart/runtime/vm/type_testing_stubs_arm64.cc
 FILE: ../../../third_party/dart/runtime/vm/type_testing_stubs_x64.cc
 FILE: ../../../third_party/dart/samples/ffi/coordinate.dart
-FILE: ../../../third_party/dart/samples/ffi/dylib_utils.dart
 FILE: ../../../third_party/dart/samples/ffi/sample_ffi_data.dart
 FILE: ../../../third_party/dart/samples/ffi/sample_ffi_dynamic_library.dart
 FILE: ../../../third_party/dart/samples/ffi/sample_ffi_functions.dart

lib/stub_ui/natives.dart

@@ -20,7 +20,7 @@ Future<developer.ServiceExtensionResponse> _scheduleFrame(
   }));
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 void _setupHooks() {  // ignore: unused_element
   assert(() {
     // In debug mode, register the schedule frame extension.

lib/ui/hooks.dart

@@ -16,7 +16,7 @@ dynamic _decodeJSON(String message) {
   return message != null ? json.decode(message) : null;
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _updateWindowMetrics(double devicePixelRatio,
                           double width,
@@ -54,11 +54,11 @@ String _localeClosure() {
   return window.locale.toString();
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 _LocaleClosure _getLocaleClosure() => _localeClosure;
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _updateLocales(List<String> locales) {
   const int stringsPerLocale = 4;
@@ -77,7 +77,7 @@ void _updateLocales(List<String> locales) {
   _invoke(window.onLocaleChanged, window._onLocaleChangedZone);
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _updateUserSettingsData(String jsonData) {
   final Map<String, dynamic> data = json.decode(jsonData);
@@ -103,14 +103,14 @@ void _updatePlatformBrightness(String brightnessName) {
   _invoke(window.onPlatformBrightnessChanged, window._onPlatformBrightnessChangedZone);
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _updateSemanticsEnabled(bool enabled) {
   window._semanticsEnabled = enabled;
   _invoke(window.onSemanticsEnabledChanged, window._onSemanticsEnabledChangedZone);
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _updateAccessibilityFeatures(int values) {
   final AccessibilityFeatures newFeatures = new AccessibilityFeatures._(values);
@@ -120,7 +120,7 @@ void _updateAccessibilityFeatures(int values) {
   _invoke(window.onAccessibilityFeaturesChanged, window._onAccessibilityFlagsChangedZone);
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 void _dispatchPlatformMessage(String name, ByteData data, int responseId) {
   if (window.onPlatformMessage != null) {
     _invoke3<String, ByteData, PlatformMessageResponseCallback>(
@@ -137,14 +137,14 @@ void _dispatchPlatformMessage(String name, ByteData data, int responseId) {
   }
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _dispatchPointerDataPacket(ByteData packet) {
   if (window.onPointerDataPacket != null)
     _invoke1<PointerDataPacket>(window.onPointerDataPacket, window._onPointerDataPacketZone, _unpackPointerDataPacket(packet));
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _dispatchSemanticsAction(int id, int action, ByteData args) {
   _invoke3<int, SemanticsAction, ByteData>(
@@ -156,13 +156,13 @@ void _dispatchSemanticsAction(int id, int action, ByteData args) {
   );
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _beginFrame(int microseconds) {
   _invoke1<Duration>(window.onBeginFrame, window._onBeginFrameZone, new Duration(microseconds: microseconds));
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _drawFrame() {
   _invoke(window.onDrawFrame, window._onDrawFrameZone);
@@ -173,7 +173,7 @@ typedef _UnaryFunction(Null args);
 // ignore: always_declare_return_types, prefer_generic_function_type_aliases
 typedef _BinaryFunction(Null args, Null message);
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 // ignore: unused_element
 void _runMainZoned(Function startMainIsolateFunction, Function userMainFunction) {
   startMainIsolateFunction((){

lib/ui/natives.dart

@@ -29,7 +29,7 @@ Future<developer.ServiceExtensionResponse> _scheduleFrame(
   }));
 }
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 void _setupHooks() {  // ignore: unused_element
   assert(() {
     // In debug mode, register the schedule frame extension.
@@ -71,7 +71,7 @@ Function _getCallbackFromHandle(int handle) native 'GetCallbackFromHandle';
 // Required for gen_snapshot to work correctly.
 int _isolateId; // ignore: unused_element
 
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 Function _getPrintClosure() => _print;  // ignore: unused_element
-@pragma('vm:entry-point', 'call')
+@pragma('vm:entry-point')
 Function _getScheduleMicrotaskClosure() => _scheduleMicrotask; // ignore: unused_element