Use gfx::ColorSpace instead of SkColorSpace in Blink

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h

Index: third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
diff --git a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
index f79b9ebfdc87b02ceb1d6c3b41ee98f77b070ce5..17bf38af230b0b53067c54a0dacda9556c01eefe 100644
--- a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
+++ b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h
@@ -88,7 +88,12 @@ class CORE_EXPORT CanvasRenderingContext
 
   CanvasColorSpace colorSpace() const { return m_colorSpace; };
   WTF::String colorSpaceAsString() const;
-  sk_sp<SkColorSpace> skColorSpace() const;
+  // The color space in which the the content should be interpreted by the
+  // compositor. This is always defined.
+  const gfx::ColorSpace& gfxColorSpace() const { return m_gfxColorSpace; }
+  // The color space that should be used for SkSurface creation. This may
+  // be nullptr.
+  sk_sp<SkColorSpace> skSurfaceColorSpace() const;
   SkColorType colorType() const;
   ColorBehavior colorBehaviorForMediaDrawnToCanvas() const;
 
@@ -194,6 +199,7 @@ class CORE_EXPORT CanvasRenderingContext
   HashSet<String> m_cleanURLs;
   HashSet<String> m_dirtyURLs;
   CanvasColorSpace m_colorSpace;
+  gfx::ColorSpace m_gfxColorSpace;
   CanvasContextCreationAttributes m_creationAttributes;
 };