Rename WebCore namespace to blink in Platform

Source/platform/win/HWndDC.h

 /*
  * Copyright (C) 2012 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef HWndDC_h
 #define HWndDC_h
 
 #include <windows.h>
 #include "wtf/NonCopyable.h"
 
-namespace WebCore {
+namespace blink {
 
 class HWndDC {
     WTF_MAKE_NONCOPYABLE(HWndDC);
 public:
     HWndDC()
         : m_hwnd(0)
         , m_hdc(0)
     {
     }
 
@@ skipping 34 matching lines @@
     operator HDC()
     {
         return m_hdc;
     }
 
 private:
     HWND m_hwnd;
     HDC m_hdc;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // HWndDC_h