Use SingleThreadTaskRunner instead of MessageLoopProxy in remoting/host.

remoting/host/host_user_interface.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_HOST_HOST_USER_INTERFACE_H_
 #define REMOTING_HOST_HOST_USER_INTERFACE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop_proxy.h"
 #include "remoting/host/host_status_observer.h"
 
+namespace base {
+class SingleThreadTaskRunner;
+}  // namespace base
+
 namespace remoting {
 
 class ChromotingHost;
 class ChromotingHostContext;
 class DisconnectWindow;
 class LocalInputMonitor;
 class SignalStrategy;
 
 class HostUserInterface : public HostStatusObserver {
  public:
   HostUserInterface(ChromotingHostContext* context);
   virtual ~HostUserInterface();
 
   virtual void Start(ChromotingHost* host,
                      const base::Closure& disconnect_callback);
 
   // HostStatusObserver implementation.  These methods will be called from the
   // network thread.
   virtual void OnClientAuthenticated(const std::string& jid) OVERRIDE;
   virtual void OnClientDisconnected(const std::string& jid) OVERRIDE;
   virtual void OnAccessDenied(const std::string& jid) OVERRIDE;
   virtual void OnShutdown() OVERRIDE;
 
  protected:
   const std::string& get_authenticated_jid() const {
     return authenticated_jid_;
   }
   ChromotingHost* get_host() const { return host_; }
 
-  // Message loop accessors.
-  base::MessageLoopProxy* network_message_loop() const;
-  base::MessageLoopProxy* ui_message_loop() const;
+  base::SingleThreadTaskRunner* network_task_runner() const;
+  base::SingleThreadTaskRunner* ui_task_runner() const;
 
   // Invokes the session disconnect callback passed to Start().
   void DisconnectSession() const;
 
   virtual void ProcessOnClientAuthenticated(const std::string& username);
   virtual void ProcessOnClientDisconnected();
 
   // Used by unit-tests as an alternative to Start() so that mock versions of
   // internal objects can be used.
   void StartForTest(
@@ skipping 38 matching lines @@
   // WeakPtr used to avoid tasks accessing the client after it is deleted.
   base::WeakPtrFactory<HostUserInterface> weak_factory_;
   base::WeakPtr<HostUserInterface> weak_ptr_;
 
   DISALLOW_COPY_AND_ASSIGN(HostUserInterface);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_HOST_USER_INTERFACE_H_