[Merge to 2883] mac: Fix bug where opacity is applied twice on RenderPassDrawQuads.

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..b8c4a4a5ecdbc3fbb6453bdb073dd6e4e986bf71 100644
--- a/content/test/gpu/gpu_tests/pixel_test_pages.py
+++ b/content/test/gpu/gpu_tests/pixel_test_pages.py
@@ -279,12 +279,12 @@ def MacSpecificPages(base_name):
       'filter_effects.html',
       base_name + '_CSSFilterEffects',
       test_rect=[0, 0, 300, 300],
-      revision=2),
+      revision=3),
     PixelTestPage(
       'filter_effects.html',
       base_name + '_CSSFilterEffects_NoOverlays',
       test_rect=[0, 0, 300, 300],
-      revision=2,
+      revision=3,
       tolerance=10,
       browser_args=['--disable-mac-overlays']),
   ]