Add MessagePipe interface. Use it in ChannelDispatcherBase.

remoting/protocol/client_control_dispatcher.cc

 // Copyright (c) 2012 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.
 
 #include "remoting/protocol/client_control_dispatcher.h"
 
 #include <stdint.h>
 
 #include "base/bind_helpers.h"
 #include "base/callback.h"
@@ skipping 48 matching lines @@
 }  // namespace
 
 ClientControlDispatcher::ClientControlDispatcher()
     : ChannelDispatcherBase(kControlChannelName) {}
 ClientControlDispatcher::~ClientControlDispatcher() {}
 
 void ClientControlDispatcher::InjectClipboardEvent(
     const ClipboardEvent& event) {
   ControlMessage message;
   message.mutable_clipboard_event()->CopyFrom(event);
-  writer()->Write(SerializeAndFrameMessage(message), base::Closure());
+  message_pipe()->Send(&message, base::Closure());
 }
 
 void ClientControlDispatcher::NotifyClientResolution(
     const ClientResolution& resolution) {
   ControlMessage message;
   message.mutable_client_resolution()->CopyFrom(resolution);
-  writer()->Write(SerializeAndFrameMessage(message), base::Closure());
+  message_pipe()->Send(&message, base::Closure());
 }
 
 void ClientControlDispatcher::ControlVideo(const VideoControl& video_control) {
   ControlMessage message;
   message.mutable_video_control()->CopyFrom(video_control);
-  writer()->Write(SerializeAndFrameMessage(message), base::Closure());
+  message_pipe()->Send(&message, base::Closure());
 }
 
 void ClientControlDispatcher::ControlAudio(const AudioControl& audio_control) {
   ControlMessage message;
   message.mutable_audio_control()->CopyFrom(audio_control);
-  writer()->Write(SerializeAndFrameMessage(message), base::Closure());
+  message_pipe()->Send(&message, base::Closure());
 }
 
 void ClientControlDispatcher::SetCapabilities(
     const Capabilities& capabilities) {
   ControlMessage message;
   message.mutable_capabilities()->CopyFrom(capabilities);
-  writer()->Write(SerializeAndFrameMessage(message), base::Closure());
+  message_pipe()->Send(&message, base::Closure());
 }
 
 void ClientControlDispatcher::RequestPairing(
     const PairingRequest& pairing_request) {
   ControlMessage message;
   message.mutable_pairing_request()->CopyFrom(pairing_request);
-  writer()->Write(SerializeAndFrameMessage(message), base::Closure());
+  message_pipe()->Send(&message, base::Closure());
 }
 
 void ClientControlDispatcher::DeliverClientMessage(
     const ExtensionMessage& message) {
   ControlMessage control_message;
   control_message.mutable_extension_message()->CopyFrom(message);
-  writer()->Write(SerializeAndFrameMessage(control_message), base::Closure());
+  message_pipe()->Send(&control_message, base::Closure());
 }
 
 void ClientControlDispatcher::OnIncomingMessage(
     scoped_ptr<CompoundBuffer> buffer) {
   DCHECK(client_stub_);
   DCHECK(clipboard_stub_);
 
   scoped_ptr<ControlMessage> message =
       ParseMessage<ControlMessage>(buffer.get());
   if (!message)
@@ skipping 10 matching lines @@
     client_stub_->SetPairingResponse(message->pairing_response());
   } else if (message->has_extension_message()) {
     client_stub_->DeliverHostMessage(message->extension_message());
   } else {
     LOG(WARNING) << "Unknown control message received.";
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting