Migrate all uses of gtest to googletest (flutter#4755)

gtest is an old version that predates the googletest and googlemock
merger, all tests should be using the newer googletest that's being
kept in sync with the upstream version.

DEPS

@@ -132,9 +132,6 @@ deps = {
   'src/third_party/benchmark':
    Var('fuchsia_git') + '/third_party/benchmark' + '@' + '296537bc48d380adf21567c5d736ab79f5363d22',
 
-  'src/third_party/gtest':
-   Var('fuchsia_git') + '/third_party/gtest' + '@' + 'c00f82917331efbbd27124b537e4ccc915a02b72',
-
   'src/third_party/googletest':
    Var('fuchsia_git') + '/third_party/googletest' + '@' + '2072b0053d3537fa5e8d222e34c759987aae1320',
 

flow/matrix_decomposition_unittests.cc

@@ -10,7 +10,7 @@
 #include <cmath>
 
 #include "flutter/flow/matrix_decomposition.h"
-#include "third_party/gtest/include/gtest/gtest.h"
+#include "gtest/gtest.h"
 
 TEST(MatrixDecomposition, Rotation) {
   SkMatrix44 matrix = SkMatrix44::I();

flow/raster_cache_unittests.cc

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 #include "flutter/flow/raster_cache.h"
-#include "third_party/gtest/include/gtest/gtest.h"
+#include "gtest/gtest.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 

sky/engine/wtf/BUILD.gn

@@ -268,6 +268,6 @@ executable("wtf_unittests") {
 
     # Does not use $flutter_root/testing because it needs and provides its own main
     # function in RunAllTests.cpp.
-    "//third_party/gtest",
+    "//third_party/googletest:gtest",
   ]
 }

testing/BUILD.gn

@@ -12,7 +12,7 @@ source_set("testing") {
   ]
 
   public_deps = [
-    "//third_party/gtest",
+    "//third_party/googletest:gtest",
   ]
 
   public_configs = [ "$flutter_root:config" ]

third_party/txt/BUILD.gn

@@ -177,7 +177,7 @@ executable("txt_unittests") {
 
   deps = [
            ":txt",
-           "//third_party/gtest",
+           "//third_party/googletest:gtest",
          ] + txt_common_executable_deps
 }
 

third_party/txt/src/txt/font_collection.h

@@ -24,7 +24,7 @@
 #include "lib/fxl/macros.h"
 #include "minikin/FontCollection.h"
 #include "minikin/FontFamily.h"
-#include "third_party/gtest/include/gtest/gtest_prod.h"
+#include "third_party/googletest/googletest/include/gtest/gtest_prod.h" // nogncheck
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/ports/SkFontMgr.h"
 #include "txt/asset_font_manager.h"

third_party/txt/src/txt/paragraph.h

@@ -28,7 +28,7 @@
 #include "paint_record.h"
 #include "paragraph_style.h"
 #include "styled_runs.h"
-#include "third_party/gtest/include/gtest/gtest_prod.h"
+#include "third_party/googletest/googletest/include/gtest/gtest_prod.h"  // nogncheck
 #include "third_party/skia/include/core/SkRect.h"
 #include "utils/WindowsUtils.h"
 

third_party/txt/src/txt/styled_runs.h

@@ -21,7 +21,7 @@
 #include <vector>
 
 #include "text_style.h"
-#include "third_party/gtest/include/gtest/gtest_prod.h"
+#include "third_party/googletest/googletest/include/gtest/gtest_prod.h"  // nogncheck
 #include "utils/WindowsUtils.h"
 
 namespace txt {