Improve gpu pixel tests for OffscreenCanvas 2d

content/test/gpu/gpu_tests/pixel_test_pages.py

Index: content/test/gpu/gpu_tests/pixel_test_pages.py
diff --git a/content/test/gpu/gpu_tests/pixel_test_pages.py b/content/test/gpu/gpu_tests/pixel_test_pages.py
index caf941774ba1ddd60ebeb834ef2d20466fc486eb..a306ad9aec2b9fca6f462212fa3ef65b7807ba3b 100644
--- a/content/test/gpu/gpu_tests/pixel_test_pages.py
+++ b/content/test/gpu/gpu_tests/pixel_test_pages.py
@@ -183,43 +183,43 @@ def ExperimentalCanvasFeaturesPages(base_name):
     PixelTestPage(
       'pixel_offscreenCanvas_2d_commit_main.html',
       base_name + '_OffscreenCanvasAccelerated2D',
-      test_rect=[0, 0, 350, 350],
-      revision=1,
+      test_rect=[0, 0, 300, 300],
+      revision=2,
       browser_args=browser_args),
 
     PixelTestPage(
       'pixel_offscreenCanvas_2d_commit_worker.html',
       base_name + '_OffscreenCanvasAccelerated2DWorker',
-      test_rect=[0, 0, 350, 350],
-      revision=1,
+      test_rect=[0, 0, 300, 300],
+      revision=2,
       browser_args=browser_args),
 
     PixelTestPage(
       'pixel_offscreenCanvas_2d_commit_main.html',
       base_name + '_OffscreenCanvasUnaccelerated2D',
-      test_rect=[0, 0, 350, 350],
-      revision=1,
+      test_rect=[0, 0, 300, 300],
+      revision=2,
       browser_args=browser_args + unaccelerated_args),
 
     PixelTestPage(
       'pixel_offscreenCanvas_2d_commit_worker.html',
       base_name + '_OffscreenCanvasUnaccelerated2DWorker',
-      test_rect=[0, 0, 350, 350],
-      revision=1,
+      test_rect=[0, 0, 300, 300],
+      revision=2,
       browser_args=browser_args + unaccelerated_args),
 
     PixelTestPage(
       'pixel_offscreenCanvas_2d_commit_main.html',
       base_name + '_OffscreenCanvasUnaccelerated2DGPUCompositing',
-      test_rect=[0, 0, 350, 350],
-      revision=1,
+      test_rect=[0, 0, 300, 300],
+      revision=2,
       browser_args=browser_args + ['--disable-accelerated-2d-canvas']),
 
     PixelTestPage(
       'pixel_offscreenCanvas_2d_commit_worker.html',
       base_name + '_OffscreenCanvasUnaccelerated2DGPUCompositingWorker',
-      test_rect=[0, 0, 350, 350],
-      revision=1,
+      test_rect=[0, 0, 300, 300],
+      revision=2,
       browser_args=browser_args + ['--disable-accelerated-2d-canvas']),
   ]