Rename WebCore namespace to blink in Platform

Source/platform/fonts/Font.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Holger Hans Peter Freyther
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 24 matching lines @@
 #include "wtf/HashSet.h"
 #include "wtf/MathExtras.h"
 #include "wtf/unicode/CharacterNames.h"
 
 // "X11/X.h" defines Complex to 0 and conflicts
 // with Complex value in CodePath enum.
 #ifdef Complex
 #undef Complex
 #endif
 
-namespace WebCore {
+namespace blink {
 
 class FloatPoint;
 class FloatRect;
 class FontData;
 class FontMetrics;
 class FontPlatformData;
 class FontSelector;
 class GlyphBuffer;
 class GraphicsContext;
 class TextRun;
@@ skipping 157 matching lines @@
 {
     if (!tabSize)
         return fontDescription().letterSpacing();
     float tabWidth = tabSize * fontData.spaceWidth() + fontDescription().letterSpacing();
     return tabWidth - fmodf(position, tabWidth);
 }
 
 }
 
 #endif