Revert 176298 "[WebSocket] bufferedAmount should not decrease in..."

trunk/Source/modules/websockets/NewWebSocketChannelImpl.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 64 matching lines @@
         return adoptRefWillBeRefCountedGarbageCollected(new NewWebSocketChannelImpl(context, client, sourceURL, lineNumber));
     }
     virtual ~NewWebSocketChannelImpl();
 
     // WebSocketChannel functions.
     virtual bool connect(const KURL&, const String& protocol) OVERRIDE;
     virtual WebSocketChannel::SendResult send(const String& message) OVERRIDE;
     virtual WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteOffset, unsigned byteLength) OVERRIDE;
     virtual WebSocketChannel::SendResult send(PassRefPtr<BlobDataHandle>) OVERRIDE;
     virtual WebSocketChannel::SendResult send(PassOwnPtr<Vector<char> > data) OVERRIDE;
+    virtual unsigned long bufferedAmount() const OVERRIDE;
     // Start closing handshake. Use the CloseEventCodeNotSpecified for the code
     // argument to omit payload.
     virtual void close(int code, const String& reason) OVERRIDE;
     virtual void fail(const String& reason, MessageLevel, const String&, unsigned lineNumber) OVERRIDE;
     virtual void disconnect() OVERRIDE;
 
     virtual void suspend() OVERRIDE;
     virtual void resume() OVERRIDE;
 
     virtual void trace(Visitor*) OVERRIDE;
@@ skipping 63 matching lines @@
     KURL m_url;
     // m_identifier > 0 means calling scriptContextExecution() returns a Document.
     unsigned long m_identifier;
     OwnPtrWillBeMember<BlobLoader> m_blobLoader;
     Deque<OwnPtr<Message> > m_messages;
     Vector<char> m_receivingMessageData;
 
     bool m_receivingMessageTypeIsText;
     int64_t m_sendingQuota;
     int64_t m_receivedDataSizeForFlowControl;
+    unsigned long m_bufferedAmount;
     size_t m_sentSizeOfTopMessage;
 
     String m_sourceURLAtConstruction;
     unsigned m_lineNumberAtConstruction;
     RefPtr<WebSocketHandshakeRequest> m_handshakeRequest;
 
     static const int64_t receivedDataSizeForFlowControlHighWaterMark = 1 << 15;
 };
 
 } // namespace WebCore
 
 #endif // NewWebSocketChannelImpl_h