Cleanup namespace usage in platform/graphics/[G-S]*

Source/platform/graphics/GraphicsContext.h

Index: Source/platform/graphics/GraphicsContext.h
diff --git a/Source/platform/graphics/GraphicsContext.h b/Source/platform/graphics/GraphicsContext.h
index eb758816a6a61988feb0b0a6709824c2866028aa..87aa504bbcf46a6a0f6bab6fe324f17cd5443f35 100644
--- a/Source/platform/graphics/GraphicsContext.h
+++ b/Source/platform/graphics/GraphicsContext.h
@@ -181,9 +181,9 @@ public:
     void setImageInterpolationQuality(InterpolationQuality quality) { mutableState()->setInterpolationQuality(quality); }
     InterpolationQuality imageInterpolationQuality() const { return immutableState()->interpolationQuality(); }
 
-    void setCompositeOperation(CompositeOperator, blink::WebBlendMode = blink::WebBlendModeNormal);
+    void setCompositeOperation(CompositeOperator, WebBlendMode = WebBlendModeNormal);
     CompositeOperator compositeOperation() const { return immutableState()->compositeOperator(); }
-    blink::WebBlendMode blendModeOperation() const { return immutableState()->blendMode(); }
+    WebBlendMode blendModeOperation() const { return immutableState()->blendMode(); }
 
     // Speicy the device scale factor which may change the way document markers
     // and fonts are rendered.
@@ -273,17 +273,17 @@ public:
     void drawImage(Image*, const IntRect&, CompositeOperator = CompositeSourceOver, RespectImageOrientationEnum = DoNotRespectImageOrientation);
     void drawImage(Image*, const FloatRect& destRect);
     void drawImage(Image*, const FloatRect& destRect, const FloatRect& srcRect, CompositeOperator = CompositeSourceOver, RespectImageOrientationEnum = DoNotRespectImageOrientation);
-    void drawImage(Image*, const FloatRect& destRect, const FloatRect& srcRect, CompositeOperator, blink::WebBlendMode, RespectImageOrientationEnum = DoNotRespectImageOrientation);
+    void drawImage(Image*, const FloatRect& destRect, const FloatRect& srcRect, CompositeOperator, WebBlendMode, RespectImageOrientationEnum = DoNotRespectImageOrientation);
 
     void drawTiledImage(Image*, const IntRect& destRect, const IntPoint& srcPoint, const IntSize& tileSize,
-        CompositeOperator = CompositeSourceOver, blink::WebBlendMode = blink::WebBlendModeNormal, const IntSize& repeatSpacing = IntSize());
+        CompositeOperator = CompositeSourceOver, WebBlendMode = WebBlendModeNormal, const IntSize& repeatSpacing = IntSize());
     void drawTiledImage(Image*, const IntRect& destRect, const IntRect& srcRect,
         const FloatSize& tileScaleFactor, Image::TileRule hRule = Image::StretchTile, Image::TileRule vRule = Image::StretchTile,
         CompositeOperator = CompositeSourceOver);
 
     void drawImageBuffer(ImageBuffer*, const FloatRect& destRect, const FloatRect* srcRect = 0, CompositeOperator = CompositeSourceOver, WebBlendMode = WebBlendModeNormal);
 
-    void drawPicture(PassRefPtr<SkPicture>, const FloatRect& dest, const FloatRect& src, CompositeOperator, blink::WebBlendMode);
+    void drawPicture(PassRefPtr<SkPicture>, const FloatRect& dest, const FloatRect& src, CompositeOperator, WebBlendMode);
 
     // These methods write to the canvas and modify the opaque region, if tracked.
     // Also drawLine(const IntPoint& point1, const IntPoint& point2) and fillRoundedRect
@@ -404,7 +404,7 @@ public:
         const SkRect& srcRect,
         const SkRect& destRect,
         CompositeOperator,
-        blink::WebBlendMode,
+        WebBlendMode,
         bool isLazyDecoded = false,
         bool isDataComplete = true) const;