Add ColorBehavior to GraphicsLayer and GraphicsContext

third_party/WebKit/Source/platform/graphics/GraphicsLayer.h

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
index b6b19c9490cb363fc4f09d3d2d0e4379c0fcd818..0fc99f56c1a313fc0e0d0fdfa003e6ee051648c6 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
@@ -34,6 +34,7 @@
 #include "platform/geometry/FloatSize.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/graphics/Color.h"
+#include "platform/graphics/ColorBehavior.h"
 #include "platform/graphics/CompositorElementId.h"
 #include "platform/graphics/ContentLayerDelegate.h"
 #include "platform/graphics/GraphicsContext.h"
@@ -286,6 +287,8 @@ class PLATFORM_EXPORT GraphicsLayer : public WebLayerScrollClient,
   void setPreferredRasterBounds(const IntSize&);
   void clearPreferredRasterBounds();
 
+  const ColorBehavior& colorBehavior() const { return m_colorBehavior; }
+
  protected:
   String debugName(cc::Layer*) const;
   bool shouldFlattenTransform() const { return m_shouldFlattenTransform; }
@@ -402,6 +405,8 @@ class PLATFORM_EXPORT GraphicsLayer : public WebLayerScrollClient,
 
   std::unique_ptr<PaintController> m_paintController;
 
+  ColorBehavior m_colorBehavior;
+
   IntRect m_previousInterestRect;
   IntSize m_preferredRasterBounds;
   bool m_hasPreferredRasterBounds;