Rename WebCore namespace to blink in Platform

Source/platform/SharedBuffer.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2009-2010. 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
@@ skipping 21 matching lines @@
 
 #undef SHARED_BUFFER_STATS
 
 #ifdef SHARED_BUFFER_STATS
 #include "wtf/DataLog.h"
 #include "wtf/MainThread.h"
 #endif
 
 using namespace std;
 
-namespace WebCore {
+namespace blink {
 
 static const unsigned segmentSize = 0x1000;
 static const unsigned segmentPositionMask = 0x0FFF;
 
 static inline unsigned segmentIndex(unsigned position)
 {
     return position / segmentSize;
 }
 
 static inline unsigned offsetInSegment(unsigned position)
@@ skipping 360 matching lines @@
 {
     mergeSegmentsIntoBuffer();
     m_buffer.unlock();
 }
 
 bool SharedBuffer::isLocked() const
 {
     return m_buffer.isLocked();
 }
 
-} // namespace WebCore
+} // namespace blink