Web setting for canvas2d msaa

Source/core/platform/graphics/chromium/Canvas2DLayerBridgeTest.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 43 matching lines @@
 };
 
 class FakeCanvas2DLayerBridge : public Canvas2DLayerBridge {
 public:
     static PassRefPtr<Canvas2DLayerBridge> create(PassRefPtr<GraphicsContext3D> context, PassRefPtr<SkDeferredCanvas> canvas, OpacityMode opacityMode)
     {
         return adoptRef(static_cast<Canvas2DLayerBridge*>(new FakeCanvas2DLayerBridge(context, canvas, opacityMode)));
     }
 protected:
     FakeCanvas2DLayerBridge(PassRefPtr<GraphicsContext3D> context, PassRefPtr<SkDeferredCanvas> canvas, OpacityMode opacityMode) :
-        Canvas2DLayerBridge(context, canvas, opacityMode)
+        Canvas2DLayerBridge(context, canvas, 0, opacityMode)
     { }
 };
 
 } // namespace
 
 class Canvas2DLayerBridgeTest : public Test {
 protected:
     void fullLifecycleTest()
     {
         RefPtr<GraphicsContext3D> mainContext = GraphicsContext3D::createGraphicsContextFromWebContext(adoptPtr(new MockCanvasContext));
@@ skipping 21 matching lines @@
 };
 
 namespace {
 
 TEST_F(Canvas2DLayerBridgeTest, testFullLifecycleSingleThreaded)
 {
     fullLifecycleTest();
 }
 
 } // namespace