Removing unused functions from WebSocketHandshakeResponse class

Source/platform/network/WebSocketHandshakeResponse.h

 /*
  * Copyright (C) 2010 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 30 matching lines @@
 public:
     WebSocketHandshakeResponse();
     ~WebSocketHandshakeResponse();
 
     int statusCode() const;
     void setStatusCode(int);
     const String& statusText() const;
     void setStatusText(const String&);
     const HTTPHeaderMap& headerFields() const;
     void addHeaderField(const AtomicString& name, const AtomicString& value);
-    void clearHeaderFields();
     const String& headersText() const { return m_headersText; }
     void setHeadersText(const String& text) { m_headersText = text; }
 
 private:
     int m_statusCode;
     String m_statusText;
     HTTPHeaderMap m_headerFields;
     String m_headersText;
 };
 
 } // namespace blink
 
 #endif // WebSocketHandshakeResponse_h