Rename WebCore namespace to blink in Platform

Source/platform/geometry/Region.h

 /*
  * 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 12 matching lines @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef Region_h
 #define Region_h
 
 #include "platform/PlatformExport.h"
 #include "platform/geometry/IntRect.h"
 #include "wtf/Vector.h"
 
-namespace WebCore {
+namespace blink {
 
 class PLATFORM_EXPORT Region {
 public:
     Region();
     Region(const IntRect&);
 
     IntRect bounds() const { return m_bounds; }
     bool isEmpty() const { return m_bounds.isEmpty(); }
     bool isRect() const { return m_shape.isRect(); }
 
@@ skipping 129 matching lines @@
 inline bool operator==(const Region::Shape& a, const Region::Shape& b)
 {
     return a.m_spans == b.m_spans && a.m_segments == b.m_segments;
 }
 
 inline bool operator==(const Region::Span& a, const Region::Span& b)
 {
     return a.y == b.y && a.segmentIndex == b.segmentIndex;
 }
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // Region_h