Rename WebCore namespace to blink in Platform

Source/platform/scroll/ScrollbarThemeOverlay.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 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
@@ skipping 20 matching lines @@
 #include "platform/scroll/ScrollbarThemeClient.h"
 #include "platform/transforms/TransformationMatrix.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebThemeEngine.h"
 
 #include <algorithm>
 
 using namespace std;
 
-namespace WebCore {
+namespace blink {
 
 ScrollbarThemeOverlay::ScrollbarThemeOverlay(int thumbThickness, int scrollbarMargin, HitTestBehavior allowHitTest, Color color)
     : ScrollbarTheme()
     , m_thumbThickness(thumbThickness)
     , m_scrollbarMargin(scrollbarMargin)
     , m_allowHitTest(allowHitTest)
     , m_color(color)
     , m_useSolidColor(true)
 {
 }
@@ skipping 104 matching lines @@
 }
 
 ScrollbarPart ScrollbarThemeOverlay::hitTest(ScrollbarThemeClient* scrollbar, const IntPoint& position)
 {
     if (m_allowHitTest == DisallowHitTest)
         return NoPart;
 
     return ScrollbarTheme::hitTest(scrollbar, position);
 }
 
-} // namespace WebCore
+} // namespace blink