Rename WebCore namespace to blink in Platform

Source/platform/geometry/LayoutBoxExtent.h

 /*
  * Copyright (c) 2012, 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 18 matching lines @@
  */
 
 #ifndef LayoutBoxExtent_h
 #define LayoutBoxExtent_h
 
 #include "platform/LayoutUnit.h"
 #include "platform/PlatformExport.h"
 #include "platform/text/TextDirection.h"
 #include "platform/text/WritingMode.h"
 
-namespace WebCore {
+namespace blink {
 
 class PLATFORM_EXPORT LayoutBoxExtent {
 public:
     LayoutBoxExtent() : m_top(0), m_right(0), m_bottom(0), m_left(0) { }
     LayoutBoxExtent(LayoutUnit top, LayoutUnit right, LayoutUnit bottom, LayoutUnit left)
         : m_top(top), m_right(right), m_bottom(bottom), m_left(left) { }
 
     inline LayoutUnit top() const { return m_top; }
     inline LayoutUnit right() const { return m_right; }
     inline LayoutUnit bottom() const { return m_bottom; }
@@ skipping 25 matching lines @@
     LayoutUnit& mutableBefore(WritingMode);
     LayoutUnit& mutableAfter(WritingMode);
 
 private:
     LayoutUnit m_top;
     LayoutUnit m_right;
     LayoutUnit m_bottom;
     LayoutUnit m_left;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // LayoutBoxExtent_h