Mojo: WebSocket interface now reuses the DataPipe for subsequent sends or

mojo/services/html_viewer/websockethandle_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_SERVICES_HTML_VIEWER_WEBSOCKETHANDLE_IMPL_H_
 #define MOJO_SERVICES_HTML_VIEWER_WEBSOCKETHANDLE_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
 #include "mojo/common/handle_watcher.h"
 #include "mojo/services/public/interfaces/network/web_socket.mojom.h"
 #include "third_party/WebKit/public/platform/WebSocketHandle.h"
 
 namespace mojo {
 class NetworkService;
 class WebSocketClientImpl;
+class WebSocketWriteQueue;
 
 // Implements WebSocketHandle by talking to the mojo WebSocket interface.
 class WebSocketHandleImpl : public blink::WebSocketHandle {
  public:
   explicit WebSocketHandleImpl(NetworkService* network_service);
 
  private:
   friend class WebSocketClientImpl;
 
   virtual ~WebSocketHandleImpl();
 
   // blink::WebSocketHandle methods:
   virtual void connect(const blink::WebURL& url,
                        const blink::WebVector<blink::WebString>& protocols,
                        const blink::WebSerializedOrigin& origin,
                        blink::WebSocketHandleClient*) OVERRIDE;
   virtual void send(bool fin,
                     MessageType,
                     const char* data,
                     size_t size) OVERRIDE;
   virtual void flowControl(int64_t quota) OVERRIDE;
   virtual void close(unsigned short code,
                      const blink::WebString& reason) OVERRIDE;
 
+  // Called when we finished writing to |send_stream_|.
+  void DidWriteToSendStream(bool fin,
+                            WebSocketHandle::MessageType type,
+                            uint32_t num_bytes,
+                            const char* data);
+
   // Called when the socket is closed.
   void Disconnect();
 
   WebSocketPtr web_socket_;
   scoped_ptr<WebSocketClientImpl> client_;
+  ScopedDataPipeProducerHandle send_stream_;
+  scoped_ptr<WebSocketWriteQueue> write_queue_;
   // True if close() was called.
   bool did_close_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSocketHandleImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_HTML_VIEWER_WEBSOCKETHANDLE_IMPL_H_