components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/browser/devtools/protocol/tethering_handler.h

 // Copyright 2014 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 CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TETHERING_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TETHERING_HANDLER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
 
 namespace net {
 class ServerSocket;
 }
 
 namespace content {
 namespace devtools {
 namespace tethering {
 
 // This class implements reversed tethering handler.
 class TetheringHandler {
  public:
   using Response = DevToolsProtocolClient::Response;
   using CreateServerSocketCallback =
       base::Callback<scoped_ptr<net::ServerSocket>(std::string*)>;
 
   TetheringHandler(const CreateServerSocketCallback& socket_callback,
-                   scoped_refptr<base::MessageLoopProxy> message_loop_proxy);
+                   scoped_refptr<base::SingleThreadTaskRunner> task_runner);
   ~TetheringHandler();
 
   void SetClient(scoped_ptr<Client> client);
 
   Response Bind(DevToolsCommandId command_id, int port);
   Response Unbind(DevToolsCommandId command_id, int port);
 
  private:
   class TetheringImpl;
 
   void Accepted(uint16 port, const std::string& name);
   bool Activate();
 
   void SendBindSuccess(DevToolsCommandId command_id);
   void SendUnbindSuccess(DevToolsCommandId command_id);
   void SendInternalError(DevToolsCommandId command_id,
                          const std::string& message);
 
   scoped_ptr<Client> client_;
   CreateServerSocketCallback socket_callback_;
-  scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   bool is_active_;
   base::WeakPtrFactory<TetheringHandler> weak_factory_;
 
   static TetheringImpl* impl_;
 
   DISALLOW_COPY_AND_ASSIGN(TetheringHandler);
 };
 
 }  // namespace tethering
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TETHERING_HANDLER_H_