[ABANDONED] Use new Websocket SendBlob IPC from renderer.

third_party/WebKit/public/platform/modules/websockets/WebSocketHandleClient.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 56 matching lines @@
 
     // Called when the handle is closed.
     // |handle| becomes unavailable once this notification arrives.
     virtual void didClose(WebSocketHandle* /* handle */, bool wasClean, unsigned short code, const WebString& reason) = 0;
 
     virtual void didReceiveFlowControl(WebSocketHandle*, int64_t quota) = 0;
 
     // Called when the browser receives a Close frame from the remote
     // server. Not called when the renderer initiates the closing handshake.
     virtual void didStartClosingHandshake(WebSocketHandle*) = 0;
+
+    // Called when a browser-side Blob send completes.
+    virtual void didCompleteSendingBlob(WebSocketHandle*) = 0;
 };
 
 } // namespace blink
 
 #endif // WebSocketHandleClient_h