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

Source/platform/graphics/BitmapImageTest.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 43 matching lines @@
         virtual void didDraw(const Image*) OVERRIDE { }
         virtual bool shouldPauseAnimation(const Image*) OVERRIDE { return false; }
         virtual void animationAdvanced(const Image*) OVERRIDE { }
         virtual void changedInRect(const Image*, const IntRect&) { }
 
         int m_lastDecodedSizeChangedDelta;
     };
 
     static PassRefPtr<SharedBuffer> readFile(const char* fileName)
     {
-        String filePath = blink::Platform::current()->unitTestSupport()->webKitRootDir();
+        String filePath = Platform::current()->unitTestSupport()->webKitRootDir();
         filePath.append(fileName);
-        return blink::Platform::current()->unitTestSupport()->readFromFile(filePath);
+        return Platform::current()->unitTestSupport()->readFromFile(filePath);
     }
 
     // Accessors to BitmapImage's protected methods.
     void destroyDecodedData(bool destroyAll) { m_image->destroyDecodedData(destroyAll); }
     size_t frameCount() { return m_image->frameCount(); }
     void setCurrentFrame(size_t frame) { m_image->m_currentFrame = frame; }
     size_t frameDecodedSize(size_t frame) { return m_image->m_frames[frame].m_frameBytes; }
     size_t decodedFramesCount() const { return m_image->m_frames.size(); }
 
     void loadImage(const char* fileName)
@@ skipping 120 matching lines @@
 
 TEST_F(BitmapImageTest, webpHasColorProfile)
 {
     loadImage("/LayoutTests/fast/images/resources/webp-color-profile-lossy.webp");
     EXPECT_EQ(1u, decodedFramesCount());
     EXPECT_TRUE(m_image->hasColorProfile());
 }
 
 #endif // USE(QCMSLIB)
 
-} // namespace
+} // namespace blink