Rename WebCore namespace to blink in Public

public/web/WebSurroundingText.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 12 matching lines @@
  */
 
 #ifndef WebSurroundingText_h
 #define WebSurroundingText_h
 
 #include "../platform/WebPrivateOwnPtr.h"
 #include "../platform/WebString.h"
 #include "WebNode.h"
 #include "WebRange.h"
 
-namespace WebCore {
+namespace blink {
 class SurroundingText;
 }
 
 namespace blink {
 
 class WebHitTestResult;
 class WebNode;
 class WebRange;
 struct WebPoint;
 
@@ skipping 31 matching lines @@
     BLINK_EXPORT size_t startOffsetInTextContent() const;
 
     // End offset of the initial text in the text content.
     BLINK_EXPORT size_t endOffsetInTextContent() const;
 
     // Convert start/end positions in the content text string into a WebKit text
     // range.
     BLINK_EXPORT WebRange rangeFromContentOffsets(size_t startOffsetInContent, size_t endOffsetInContent);
 
 protected:
-    WebPrivateOwnPtr<WebCore::SurroundingText> m_private;
+    WebPrivateOwnPtr<blink::SurroundingText> m_private;
 };
 
 } // namespace blink
 
 #endif