Rename WebKit namespace to blink

Source/core/platform/graphics/chromium/DiscardablePixelRef.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:
  * 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 59 matching lines @@
     , m_mutex(mutex)
 {
 }
 
 DiscardablePixelRef::~DiscardablePixelRef()
 {
 }
 
 bool DiscardablePixelRef::allocAndLockDiscardableMemory(size_t bytes)
 {
-    m_discardable = adoptPtr(WebKit::Platform::current()->allocateAndLockDiscardableMemory(bytes));
+    m_discardable = adoptPtr(blink::Platform::current()->allocateAndLockDiscardableMemory(bytes));
     if (m_discardable) {
         m_lockedMemory = m_discardable->data();
         return true;
     }
     return false;
 }
 
 void* DiscardablePixelRef::onLockPixels(SkColorTable** ctable)
 {
     if (!m_lockedMemory && m_discardable->lock())
@@ skipping 12 matching lines @@
 
 bool DiscardablePixelRef::isDiscardable(SkPixelRef* pixelRef)
 {
     // FIXME: DEFINE_STATIC_LOCAL is not thread safe.
     // ImageDecodingStore provides the synchronization for this.
     DEFINE_STATIC_LOCAL(const SkString, discardable, (labelDiscardable));
     return pixelRef && pixelRef->getURI() && discardable.equals(pixelRef->getURI());
 }
 
 } // namespace WebCore