components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/wifi/wifi_service.h

 // 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.
 
 #ifndef CHROME_UTILITY_WIFI_WIFI_SERVICE_H_
 #define CHROME_UTILITY_WIFI_WIFI_SERVICE_H_
 
 #include <list>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/values.h"
 #include "components/wifi/wifi_export.h"
 
 namespace wifi {
 
 // WiFiService interface used by implementation of chrome.networkingPrivate
 // JavaScript extension API. All methods should be called on worker thread.
 // It could be created on any (including UI) thread, so nothing expensive should
 // be done in the constructor. See |NetworkingPrivateService| for wrapper
@@ skipping 75 matching lines @@
 
   // Get WiFi Key for network identified by |network_guid| from the
   // system (if it has one) and store it in |key_data|. User privilege elevation
   // may be required, and function will fail if user privileges are not
   // sufficient. Populates |error| on failure.
   virtual void GetKeyFromSystem(const std::string& network_guid,
                                 std::string* key_data,
                                 std::string* error) = 0;
 
   // Set observers to run when |NetworksChanged| and |NetworksListChanged|
-  // events needs to be sent. Notifications are posted on |message_loop_proxy|.
+  // events needs to be sent. Notifications are posted on |task_runner|.
   virtual void 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) = 0;
 
   // Request update of Connected Network information. Send |NetworksChanged|
   // event on completion.
   virtual void RequestConnectedNetworkUpdate() = 0;
 
   // Get the SSID of the currently connected network, if any.
   virtual void GetConnectedNetworkSSID(std::string* ssid,
                                        std::string* error) = 0;
@@ skipping 11 matching lines @@
   static const char kErrorScanForNetworksWithName[];
   static const char kErrorWiFiService[];
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WiFiService);
 };
 
 }  // namespace wifi
 
 #endif  // CHROME_UTILITY_WIFI_WIFI_SERVICE_H_