Use SingleThreadTaskRunner instead of MessageLoopProxy in remoting/host.

remoting/host/url_request_context.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_URL_REQUEST_CONTEXT_H_
 #define REMOTING_HOST_URL_REQUEST_CONTEXT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 21 matching lines @@
  private:
   virtual ~URLRequestContext();
 
   net::URLRequestContextStorage storage_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContext);
 };
 
 class URLRequestContextGetter : public net::URLRequestContextGetter {
  public:
-  URLRequestContextGetter(base::MessageLoopProxy* ui_message_loop,
-                          MessageLoop* io_message_loop,
-                          MessageLoopForIO* file_message_loop);
+  URLRequestContextGetter(
+      scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+      scoped_refptr<base::SingleThreadTaskRunner> network_task_runner,
+      MessageLoopForIO* file_message_loop);
 
   // Overridden from net::URLRequestContextGetter:
   virtual net::URLRequestContext* GetURLRequestContext() OVERRIDE;
   virtual scoped_refptr<base::SingleThreadTaskRunner>
       GetNetworkTaskRunner() const OVERRIDE;
 
  protected:
   virtual ~URLRequestContextGetter();
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
   scoped_ptr<net::ProxyConfigService> proxy_config_service_;
   scoped_ptr<net::URLRequestContext> url_request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContextGetter);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_URL_REQUEST_CONTEXT_H_