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

Source/platform/graphics/Image.h

Index: Source/platform/graphics/Image.h
diff --git a/Source/platform/graphics/Image.h b/Source/platform/graphics/Image.h
index 78528f358ff144b848d3579a5c2d50c4edd289f1..825ff21245c395389b829253b3fee0a81f9978ab 100644
--- a/Source/platform/graphics/Image.h
+++ b/Source/platform/graphics/Image.h
@@ -119,7 +119,7 @@ public:
 
     virtual void drawPattern(GraphicsContext*, const FloatRect&,
         const FloatSize&, const FloatPoint& phase, CompositeOperator,
-        const FloatRect&, blink::WebBlendMode = blink::WebBlendModeNormal, const IntSize& repeatSpacing = IntSize());
+        const FloatRect&, WebBlendMode = WebBlendModeNormal, const IntSize& repeatSpacing = IntSize());
 
 #if ENABLE(ASSERT)
     virtual bool notSolidColor() { return true; }
@@ -131,10 +131,10 @@ protected:
     static void fillWithSolidColor(GraphicsContext*, const FloatRect& dstRect, const Color&, CompositeOperator);
     static FloatRect adjustForNegativeSize(const FloatRect&); // A helper method for translating negative width and height values.
 
-    virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, blink::WebBlendMode) = 0;
-    virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, blink::WebBlendMode, RespectImageOrientationEnum);
+    virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, WebBlendMode) = 0;
+    virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, WebBlendMode, RespectImageOrientationEnum);
     void drawTiled(GraphicsContext*, const FloatRect& dstRect, const FloatPoint& srcPoint, const FloatSize& tileSize,
-        CompositeOperator, blink::WebBlendMode, const IntSize& repeatSpacing);
+        CompositeOperator, WebBlendMode, const IntSize& repeatSpacing);
     void drawTiled(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, const FloatSize& tileScaleFactor, TileRule hRule, TileRule vRule, CompositeOperator);
 
     // Supporting tiled drawing
@@ -149,6 +149,6 @@ private:
 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \
     DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##typeName())
 
-}
+} // namespace blink
 
 #endif