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

Source/platform/graphics/gpu/WebGLImageBufferSurface.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
 #include "third_party/skia/include/core/SkPixelRef.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 WebGLImageBufferSurface::WebGLImageBufferSurface(const IntSize& size, OpacityMode opacityMode)
     : ImageBufferSurface(size, opacityMode)
 {
-    m_contextProvider = adoptPtr(blink::Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
+    m_contextProvider = adoptPtr(Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
     if (!m_contextProvider)
         return;
     GrContext* gr = m_contextProvider->grContext();
     if (!gr)
         return;
     ensureTextureBackedSkBitmap(gr, m_bitmap, size, kDefault_GrSurfaceOrigin, kRGBA_8888_GrPixelConfig);
 }
 
 WebGLImageBufferSurface::~WebGLImageBufferSurface()
 {
@@ skipping 13 matching lines @@
 }
 
 void WebGLImageBufferSurface::updateCachedBitmapIfNeeded()
 {
     if (m_cachedBitmap.isNull() && m_bitmap.pixelRef()) {
         (m_bitmap.pixelRef())->readPixels(&m_cachedBitmap);
     }
 }
 
 } // namespace blink