ppapi: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

ppapi/proxy/plugin_message_filter.cc

 // Copyright (c) 2011 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 "ppapi/proxy/plugin_message_filter.h"
 
 #include "base/bind.h"
+#include "base/location.h"
 #include "base/logging.h"
+#include "base/single_thread_task_runner.h"
 #include "ipc/ipc_channel.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/resource_message_params.h"
 #include "ppapi/proxy/resource_reply_thread_registrar.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/resource_tracker.h"
 
 namespace ppapi {
@@ skipping 65 matching lines @@
   *usable = true;
 }
 
 void PluginMessageFilter::OnMsgResourceReply(
     const ResourceMessageReplyParams& reply_params,
     const IPC::Message& nested_msg) {
   for (const auto& filter_ptr : resource_filters_) {
     if (filter_ptr->OnResourceReplyReceived(reply_params, nested_msg))
       return;
   }
-  scoped_refptr<base::MessageLoopProxy> target =
+  scoped_refptr<base::SingleThreadTaskRunner> target =
       resource_reply_thread_registrar_->GetTargetThread(reply_params,
                                                         nested_msg);
   target->PostTask(
       FROM_HERE, base::Bind(&DispatchResourceReply, reply_params, nested_msg));
 }
 
 // static
 void PluginMessageFilter::DispatchResourceReply(
     const ResourceMessageReplyParams& reply_params,
     const IPC::Message& nested_msg) {
   ProxyAutoLock lock;
   Resource* resource = PpapiGlobals::Get()->GetResourceTracker()->GetResource(
       reply_params.pp_resource());
   if (!resource) {
     DVLOG_IF(1, reply_params.sequence() != 0)
         << "Pepper resource reply message received but the resource doesn't "
            "exist (probably has been destroyed).";
     return;
   }
   resource->OnReplyReceived(reply_params, nested_msg);
 }
 
 }  // namespace proxy
 }  // namespace ppapi