Rename WebCore namespace to blink in Platform

Source/platform/text/BidiTextRun.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef BidiTextRun_h
 #define BidiTextRun_h
 
 #include "platform/text/TextDirection.h"
 #include "platform/text/TextRun.h"
 #include "wtf/text/WTFString.h"
 
-namespace WebCore {
+namespace blink {
 
 PLATFORM_EXPORT TextDirection directionForRun(TextRun&, bool& hasStrongDirectionality);
 PLATFORM_EXPORT TextDirection determineDirectionality(const String& value, bool& hasStrongDirectionality);
 PLATFORM_EXPORT TextRun textRunWithDirectionality(const String& value, bool& hasStrongDirectionality);
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // BidiTextRun_h