Rename WebCore namespace to blink in Platform

Source/platform/Widget.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 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 12 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.
  */
 
 #include "config.h"
 #include "platform/Widget.h"
 
 
 #include "wtf/Assertions.h"
 
-namespace WebCore {
+namespace blink {
 
 Widget::Widget()
     : m_parent(0)
     , m_selfVisible(false)
     , m_parentVisible(false)
 {
 }
 
 Widget::~Widget()
 {
@@ skipping 151 matching lines @@
 IntPoint Widget::convertChildToSelf(const Widget*, const IntPoint& point) const
 {
     return point;
 }
 
 IntPoint Widget::convertSelfToChild(const Widget*, const IntPoint& point) const
 {
     return point;
 }
 
-} // namespace WebCore
+} // namespace blink