Don't depend on MessageLoopProxy in remoting protocol code.

remoting/protocol/connection_to_host.h

 // 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.
 
 #ifndef REMOTING_PROTOCOL_CONNECTION_TO_HOST_H_
 #define REMOTING_PROTOCOL_CONNECTION_TO_HOST_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/threading/non_thread_safe.h"
 #include "remoting/jingle_glue/signal_strategy.h"
 #include "remoting/proto/internal.pb.h"
 #include "remoting/protocol/clipboard_filter.h"
 #include "remoting/protocol/errors.h"
 #include "remoting/protocol/input_filter.h"
 #include "remoting/protocol/message_reader.h"
 #include "remoting/protocol/session.h"
 #include "remoting/protocol/session_manager.h"
 
-namespace base {
-class MessageLoopProxy;
-}  // namespace base
-
 namespace pp {
 class Instance;
 }  // namespace pp
 
 namespace remoting {
 
 class XmppProxy;
 class VideoPacket;
 
 namespace protocol {
 
 class Authenticator;
 class ClientControlDispatcher;
 class ClientEventDispatcher;
 class ClientStub;
 class ClipboardStub;
 class HostStub;
 class InputStub;
 class SessionConfig;
 class TransportFactory;
 class VideoReader;
 class VideoStub;
 
 class ConnectionToHost : public SignalStrategy::Listener,
-                         public SessionManager::Listener {
+                         public SessionManager::Listener,
+                         public base::NonThreadSafe {
  public:
   enum State {
     CONNECTING,
     CONNECTED,
     FAILED,
     CLOSED,
   };
 
   class HostEventCallback {
    public:
     virtual ~HostEventCallback() {}
 
     // Called when state of the connection changes.
     virtual void OnConnectionState(State state, ErrorCode error) = 0;
   };
 
-  ConnectionToHost(base::MessageLoopProxy* message_loop,
-                   bool allow_nat_traversal);
+  ConnectionToHost(bool allow_nat_traversal);
   virtual ~ConnectionToHost();
 
   virtual void Connect(scoped_refptr<XmppProxy> xmpp_proxy,
                        const std::string& local_jid,
                        const std::string& host_jid,
                        const std::string& host_public_key,
                        scoped_ptr<TransportFactory> transport_factory,
                        scoped_ptr<Authenticator> authenticator,
                        HostEventCallback* event_callback,
                        ClientStub* client_stub,
@@ skipping 36 matching lines @@
   // Callback for |video_reader_|.
   void OnVideoPacket(VideoPacket* packet);
 
   void CloseOnError(ErrorCode error);
 
   // Stops writing in the channels.
   void CloseChannels();
 
   void SetState(State state, ErrorCode error);
 
-  scoped_refptr<base::MessageLoopProxy> message_loop_;
   bool allow_nat_traversal_;
 
   std::string host_jid_;
   std::string host_public_key_;
   scoped_ptr<Authenticator> authenticator_;
 
   HostEventCallback* event_callback_;
 
   // Stub for incoming messages.
   ClientStub* client_stub_;
@@ skipping 15 matching lines @@
   ErrorCode error_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ConnectionToHost);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CONNECTION_TO_HOST_H_