Implement OffscreenCanvas Accelerated 2D commit()

content/test/gpu/page_sets/pixel_tests.py

Index: content/test/gpu/page_sets/pixel_tests.py
diff --git a/content/test/gpu/page_sets/pixel_tests.py b/content/test/gpu/page_sets/pixel_tests.py
index 3befe1400d1d5ff5279d50a4efef044737c34fc0..28bf9b4ed254b93118d4cbddd6faa5104ef0d1dd 100644
--- a/content/test/gpu/page_sets/pixel_tests.py
+++ b/content/test/gpu/page_sets/pixel_tests.py
@@ -193,6 +193,24 @@ class PixelTestsStorySet(story_set_module.StorySet):
       expectations=expectations))
 
     self.AddStory(PixelTestsPage(
+      url='file://../../data/gpu/pixel_acceleratedOffscreen2d_commit_main.html',
+      name=base_name + '.OffscreenCanvasAccelerated2D' + es3_suffix,
+      test_rect=[0, 0, 350, 350],
+      revision=1,
+      story_set=self,
+      shared_page_state_class=EnableExperimentalCanvasFeaturesSharedPageState,
+      expectations=expectations))
+
+    self.AddStory(PixelTestsPage(
+      url='file://../../data/gpu/pixel_acceleratedOffscreen2d_commit_worker.html',
+      name=base_name + '.OffscreenCanvasAccelerated2DWorker' + es3_suffix,
+      test_rect=[0, 0, 350, 350],
+      revision=1,
+      story_set=self,
+      shared_page_state_class=EnableExperimentalCanvasFeaturesSharedPageState,
+      expectations=expectations))
+
+    self.AddStory(PixelTestsPage(
       url='file://../../data/gpu/pixel_canvas2d.html',
       name=base_name + '.Canvas2DRedBox' + es3_suffix,
       test_rect=[0, 0, 300, 300],