Rename WebCore namespace to blink in Platform

Source/platform/geometry/Region.cpp

 /*
  * Copyright (C) 2010, 2011 Apple 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 16 matching lines @@
 #include "platform/geometry/Region.h"
 
 #include <stdio.h>
 
 // A region class based on the paper "Scanline Coherent Shape Algebra"
 // by Jonathan E. Steinhart from the book "Graphics Gems II".
 //
 // This implementation uses two vectors instead of linked list, and
 // also compresses regions when possible.
 
-namespace WebCore {
+namespace blink {
 
 Region::Region()
 {
 }
 
 Region::Region(const IntRect& rect)
     : m_bounds(rect)
     , m_shape(rect)
 {
 }
@@ skipping 573 matching lines @@
     m_shape.swap(subtractedShape);
     m_bounds = m_shape.bounds();
 }
 
 void Region::translate(const IntSize& offset)
 {
     m_bounds.move(offset);
     m_shape.translate(offset);
 }
 
-} // namespace WebCore
+} // namespace blink