components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/wifi/fake_wifi_service.cc

 // Copyright 2013 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.
 
 #include "components/wifi/fake_wifi_service.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "components/onc/onc_constants.h"
 
@@ skipping 140 matching lines @@
   NotifyNetworkChanged(network_guid);
 }
 
 void FakeWiFiService::GetKeyFromSystem(const std::string& network_guid,
                                        std::string* key_data,
                                        std::string* error) {
   *error = "not-found";
 }
 
 void FakeWiFiService::SetEventObservers(
-    scoped_refptr<base::MessageLoopProxy> message_loop_proxy,
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     const NetworkGuidListCallback& networks_changed_observer,
     const NetworkGuidListCallback& network_list_changed_observer) {
-  message_loop_proxy_.swap(message_loop_proxy);
+  task_runner_.swap(task_runner);
   networks_changed_observer_ = networks_changed_observer;
   network_list_changed_observer_ = network_list_changed_observer;
 }
 
 void FakeWiFiService::RequestConnectedNetworkUpdate() {
 }
 
 void FakeWiFiService::GetConnectedNetworkSSID(std::string* ssid,
                                               std::string* error) {
   *ssid = "";
@@ skipping 24 matching lines @@
   networks_.sort(NetworkProperties::OrderByType);
 }
 
 void FakeWiFiService::NotifyNetworkListChanged(const NetworkList& networks) {
   WiFiService::NetworkGuidList current_networks;
   for (NetworkList::const_iterator it = networks.begin(); it != networks.end();
        ++it) {
     current_networks.push_back(it->guid);
   }
 
-  message_loop_proxy_->PostTask(
+  task_runner_->PostTask(
       FROM_HERE, base::Bind(network_list_changed_observer_, current_networks));
 }
 
 void FakeWiFiService::NotifyNetworkChanged(const std::string& network_guid) {
   WiFiService::NetworkGuidList changed_networks(1, network_guid);
-  message_loop_proxy_->PostTask(
+  task_runner_->PostTask(
       FROM_HERE, base::Bind(networks_changed_observer_, changed_networks));
 }
 
 }  // namespace wifi