Rename WebCore namespace to blink in Platform

Source/platform/NotImplemented.cpp

 /*
  * Copyright (C) 2012 Apple 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 10 matching lines @@
  * CONTRACT, STRICT LIABILITY, OR TORT (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/NotImplemented.h"
 
 #include "platform/Logging.h"
 
-namespace WebCore {
+namespace blink {
 
 #if !LOG_DISABLED
 
 WTFLogChannel* notImplementedLoggingChannel()
 {
     return &LogNotYetImplemented;
 }
 
 #endif
 
 }