Cleanup namespace usage in public/web/Web[N-Z]*.h.

public/web/WebSocket.h

 /*
  * Copyright (C) 2011, 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:
  *
  *     * 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 WebSocket_h
 #define WebSocket_h
 
 #include "../platform/WebCommon.h"
 #include "../platform/WebPrivatePtr.h"
 #include "../platform/WebString.h"
 
-namespace blink { class WebSocketChannel; }
-
 namespace blink {
 
 class WebArrayBuffer;
 class WebDocument;
 class WebURL;
 class WebSocketClient;
 
 class WebSocket {
 public:
     enum CloseEventCode {
@@ skipping 40 matching lines @@
     virtual bool sendArrayBuffer(const WebArrayBuffer&) = 0;
     virtual unsigned long bufferedAmount() const { return 0; }
     virtual void close(int code, const WebString& reason) = 0;
     virtual void fail(const WebString& reason) = 0;
     virtual void disconnect() = 0;
 };
 
 } // namespace blink
 
 #endif // WebSocket_h