Rename WebCore namespace to blink in Platform

Source/platform/fonts/WidthCache.h

 /*
  * Copyright (C) 2012 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 @@
 #define WidthCache_h
 
 #include "platform/geometry/IntRectExtent.h"
 #include "platform/text/TextRun.h"
 #include "wtf/Forward.h"
 #include "wtf/HashFunctions.h"
 #include "wtf/HashSet.h"
 #include "wtf/HashTableDeletedValueType.h"
 #include "wtf/StringHasher.h"
 
-namespace WebCore {
+namespace blink {
 
 struct GlyphOverflow;
 
 struct WidthCacheEntry {
     WidthCacheEntry()
     {
         width = std::numeric_limits<float>::quiet_NaN();
     }
     bool isValid() const { return !std::isnan(width); }
     float width;
@@ skipping 155 matching lines @@
     Map m_map;
 };
 
 inline bool operator==(const WidthCache::SmallStringKey& a, const WidthCache::SmallStringKey& b)
 {
     if (a.length() != b.length())
         return false;
     return WTF::equal(a.characters(), b.characters(), a.length());
 }
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // WidthCache_h