Cleanup namespace usage in platform/graphics/[filters/* to skia/*] and platform/graphics/[B-D]*

Source/platform/graphics/CrossfadeGeneratedImage.cpp

Index: Source/platform/graphics/CrossfadeGeneratedImage.cpp
diff --git a/Source/platform/graphics/CrossfadeGeneratedImage.cpp b/Source/platform/graphics/CrossfadeGeneratedImage.cpp
index c8a4fd971411866486f1cf601b2be48a920d8342..1d36b456a4969a425a6746f6fa5645154d9cf000 100644
--- a/Source/platform/graphics/CrossfadeGeneratedImage.cpp
+++ b/Source/platform/graphics/CrossfadeGeneratedImage.cpp
@@ -84,7 +84,7 @@ void CrossfadeGeneratedImage::drawCrossfade(GraphicsContext* context)
     context->endLayer();
 }
 
-void CrossfadeGeneratedImage::draw(GraphicsContext* context, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator compositeOp, blink::WebBlendMode blendMode)
+void CrossfadeGeneratedImage::draw(GraphicsContext* context, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator compositeOp, WebBlendMode blendMode)
 {
     GraphicsContextStateSaver stateSaver(*context);
     context->setCompositeOperation(compositeOp, blendMode);
@@ -97,7 +97,7 @@ void CrossfadeGeneratedImage::draw(GraphicsContext* context, const FloatRect& ds
     drawCrossfade(context);
 }
 
-void CrossfadeGeneratedImage::drawPattern(GraphicsContext* context, const FloatRect& srcRect, const FloatSize& scale, const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& dstRect, blink::WebBlendMode blendMode, const IntSize& repeatSpacing)
+void CrossfadeGeneratedImage::drawPattern(GraphicsContext* context, const FloatRect& srcRect, const FloatSize& scale, const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& dstRect, WebBlendMode blendMode, const IntSize& repeatSpacing)
 {
     OwnPtr<ImageBuffer> imageBuffer = context->createRasterBuffer(m_size);
     if (!imageBuffer)
@@ -111,4 +111,4 @@ void CrossfadeGeneratedImage::drawPattern(GraphicsContext* context, const FloatR
     imageBuffer->drawPattern(context, srcRect, scale, phase, compositeOp, dstRect, blendMode, repeatSpacing);
 }
 
-}
+} // namespace blink