Delete the old WebSocket implementation.

Source/modules/websockets/WebSocketExtensionProcessor.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:
- *
- *     * 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN 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.
- */
-
-#ifndef WebSocketExtensionProcessor_h
-#define WebSocketExtensionProcessor_h
-
-#include "wtf/HashMap.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-class WebSocketExtensionProcessor {
-public:
-    virtual ~WebSocketExtensionProcessor() { }
-
-    String extensionToken() const { return m_extensionToken; }
-
-    // The return value of this method will be a part of the value of
-    // Sec-WebSocket-Extensions.
-    virtual String handshakeString() = 0;
-
-    // This should validate the server's response parameters which are passed
-    // as HashMap<key, value>. This may also do something for the extension.
-    // Note that this method may be called more than once when the server
-    // response contains duplicate extension token that matches extensionToken().
-    virtual bool processResponse(const HashMap<String, String>&) = 0;
-
-    // If procecssResponse() returns false, this should provide the reason.
-    virtual String failureReason() { return "Extension " + m_extensionToken + " failed"; }
-
-protected:
-    explicit WebSocketExtensionProcessor(const String& extensionToken)
-        : m_extensionToken(extensionToken)
-    {
-    }
-
-private:
-    String m_extensionToken;
-};
-
-}
-
-#endif // WebSocketExtensionProcessor_h