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

trunk/Source/modules/websockets/NewWebSocketChannelImpl.h

Index: trunk/Source/modules/websockets/NewWebSocketChannelImpl.h
===================================================================
--- trunk/Source/modules/websockets/NewWebSocketChannelImpl.h	(revision 176310)
+++ trunk/Source/modules/websockets/NewWebSocketChannelImpl.h	(working copy)
@@ -82,6 +82,7 @@
     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;
@@ -165,6 +166,7 @@
     bool m_receivingMessageTypeIsText;
     int64_t m_sendingQuota;
     int64_t m_receivedDataSizeForFlowControl;
+    unsigned long m_bufferedAmount;
     size_t m_sentSizeOfTopMessage;
 
     String m_sourceURLAtConstruction;