Rename WebCore namespace to blink in Platform

Source/platform/image-decoders/png/PNGImageDecoder.h

 /*
  * Copyright (C) 2006 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PNGImageDecoder_h
 #define PNGImageDecoder_h
 
 #include "platform/image-decoders/ImageDecoder.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 
-namespace WebCore {
+namespace blink {
 
 class PNGImageReader;
 
 // This class decodes the PNG image format.
 class PLATFORM_EXPORT PNGImageDecoder : public ImageDecoder {
     WTF_MAKE_NONCOPYABLE(PNGImageDecoder);
 public:
     PNGImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfileOption, size_t maxDecodedBytes);
     virtual ~PNGImageDecoder();
 
@@ skipping 21 matching lines @@
     // Decodes the image.  If |onlySize| is true, stops decoding after
     // calculating the image size.  If decoding fails but there is no more
     // data coming, sets the "decode failure" flag.
     void decode(bool onlySize);
 
     OwnPtr<PNGImageReader> m_reader;
     bool m_doNothingOnFailure;
     bool m_hasColorProfile;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif