Rename WebCore namespace to blink in Platform

Source/platform/geometry/FloatQuad.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Xidorn Quan (quanxunzhen@gmail.com)
  *
  * 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
@@ skipping 18 matching lines @@
  */
 
 #include "config.h"
 #include "platform/geometry/FloatQuad.h"
 
 #include <algorithm>
 #include <limits>
 
 using namespace std;
 
-namespace WebCore {
+namespace blink {
 
 static inline float min4(float a, float b, float c, float d)
 {
     return min(min(a, b), min(c, d));
 }
 
 static inline float max4(float a, float b, float c, float d)
 {
     return max(max(a, b), max(c, d));
 }
@@ skipping 176 matching lines @@
     return transformedQuad.intersectsCircle(originPoint, radii.height() * radii.width());
 
 }
 
 bool FloatQuad::isCounterclockwise() const
 {
     // Return if the two first vectors are turning clockwise. If the quad is convex then all following vectors will turn the same way.
     return determinant(m_p2 - m_p1, m_p3 - m_p2) < 0;
 }
 
-} // namespace WebCore
+} // namespace blink