ppapi: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

ppapi/proxy/network_monitor_resource.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 PPAPI_PROXY_NETWORK_MONITOR_RESOURCE_H_
 #define PPAPI_PROXY_NETWORK_MONITOR_RESOURCE_H_
 
 #include <list>
 
 #include "ppapi/proxy/network_list_resource.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/shared_impl/scoped_pp_resource.h"
 #include "ppapi/thunk/ppb_network_monitor_api.h"
 
-namespace base {
-class MessageLoopProxy;
-}  // namespace base
-
 namespace ppapi {
 namespace proxy {
 
 class NetworkMonitorResource : public PluginResource,
                                public thunk::PPB_NetworkMonitor_API {
  public:
   explicit NetworkMonitorResource(Connection connection,
                                   PP_Instance instance);
   ~NetworkMonitorResource() override;
 
@@ skipping 20 matching lines @@
   PP_Resource* network_list_;
   scoped_refptr<TrackedCallback> update_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkMonitorResource);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_NETWORK_MONITOR_RESOURCE_H_