components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/public/browser/devtools_agent_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 CONTENT_PUBLIC_BROWSER_DEVTOOLS_AGENT_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_DEVTOOLS_AGENT_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 68 matching lines @@
   // host.
   static scoped_refptr<DevToolsAgentHost> Create(
       DevToolsExternalAgentProxyDelegate* delegate);
 
   using CreateServerSocketCallback =
       base::Callback<scoped_ptr<net::ServerSocket>(std::string*)>;
 
   // Creates DevToolsAgentHost for the browser, which works with browser-wide
   // debugging protocol.
   static scoped_refptr<DevToolsAgentHost> CreateForBrowser(
-      scoped_refptr<base::MessageLoopProxy> tethering_message_loop,
+      scoped_refptr<base::SingleThreadTaskRunner> tethering_task_runner,
       const CreateServerSocketCallback& socket_callback);
 
   static bool IsDebuggerAttached(WebContents* web_contents);
 
   typedef std::vector<scoped_refptr<DevToolsAgentHost> > List;
 
   // Returns all possible DevToolsAgentHosts.
   static List GetOrCreateAll();
 
   // Client attaches to this agent host to start debugging it.
@@ skipping 52 matching lines @@
   static void RemoveAgentStateCallback(const AgentStateCallback& callback);
 
  protected:
   friend class base::RefCounted<DevToolsAgentHost>;
   virtual ~DevToolsAgentHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_DEVTOOLS_AGENT_HOST_H_