chrome: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/service/net/service_url_request_context_getter.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 CHROME_SERVICE_NET_SERVICE_URL_REQUEST_CONTEXT_GETTER_H_
 #define CHROME_SERVICE_NET_SERVICE_URL_REQUEST_CONTEXT_GETTER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/dns/host_resolver.h"
 #include "net/ftp/ftp_network_layer.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_layer.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_context_storage.h"
 
 namespace base {
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }
 
 namespace net {
 class ProxyConfigService;
 }
 
 class ServiceURLRequestContextGetter : public net::URLRequestContextGetter {
  public:
   net::URLRequestContext* GetURLRequestContext() override;
   scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
@@ skipping 11 matching lines @@
   ServiceURLRequestContextGetter();
   ~ServiceURLRequestContextGetter() override;
 
   std::string user_agent_;
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
   scoped_ptr<net::ProxyConfigService> proxy_config_service_;
   scoped_ptr<net::URLRequestContext> url_request_context_;
 };
 
 #endif  // CHROME_SERVICE_NET_SERVICE_URL_REQUEST_CONTEXT_GETTER_H_