[Chromoting] Add plumbing to carry clipboard events from the host to the client.

remoting/protocol/host_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/host_control_dispatcher.h"
 
 #include "base/message_loop_proxy.h"
 #include "net/socket/stream_socket.h"
 #include "remoting/base/constants.h"
 #include "remoting/proto/control.pb.h"
@@ skipping 16 matching lines @@
 HostControlDispatcher::~HostControlDispatcher() {
   writer_->Close();
 }
 
 void HostControlDispatcher::OnInitialized() {
   reader_.Init(channel(), base::Bind(
       &HostControlDispatcher::OnMessageReceived, base::Unretained(this)));
   writer_->Init(channel(), BufferedSocketWriter::WriteFailedCallback());
 }
 
+void HostControlDispatcher::InjectClipboardEvent(const ClipboardEvent& event) {
+  ControlMessage message;
+  message.mutable_clipboard_event()->CopyFrom(event);
+  writer_->Write(SerializeAndFrameMessage(message), base::Closure());
+}
+
 void HostControlDispatcher::OnMessageReceived(
     scoped_ptr<ControlMessage> message, const base::Closure& done_task) {
   DCHECK(clipboard_stub_);
   DCHECK(host_stub_);
 
   base::ScopedClosureRunner done_runner(done_task);
 
   if (message->has_clipboard_event()) {
     clipboard_stub_->InjectClipboardEvent(message->clipboard_event());
   } else {
     LOG(WARNING) << "Unknown control message received.";
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting