Remove MessageLoop::current() from ppapi/proxy.

ppapi/proxy/plugin_globals.cc

 // Copyright (c) 2012 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_globals.h"
 
-#include "base/location.h"
 #include "base/macros.h"
-#include "base/single_thread_task_runner.h"
 #include "base/task_runner.h"
 #include "base/threading/thread.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sender.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_message_filter.h"
 #include "ppapi/proxy/plugin_proxy_delegate.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppb_message_loop_proxy.h"
 #include "ppapi/proxy/resource_reply_thread_registrar.h"
 #include "ppapi/proxy/udp_socket_filter.h"
 #include "ppapi/shared_impl/ppapi_constants.h"
@@ skipping 160 matching lines @@
     base::Thread::Options options;
     options.message_loop_type = base::MessageLoop::TYPE_IO;
     file_thread_->StartWithOptions(options);
   }
   return file_thread_->task_runner().get();
 }
 
 void PluginGlobals::MarkPluginIsActive() {
   if (!plugin_recently_active_) {
     plugin_recently_active_ = true;
-    if (!GetBrowserSender() || !base::MessageLoop::current())
+    if (!GetBrowserSender() || !base::ThreadTaskRunnerHandle::IsSet())
       return;
     GetBrowserSender()->Send(new PpapiHostMsg_Keepalive());
     DCHECK(keepalive_throttle_interval_milliseconds_);
     GetMainThreadMessageLoop()->PostDelayedTask(
         FROM_HERE,
         RunWhileLocked(base::Bind(&PluginGlobals::OnReleaseKeepaliveThrottle,
                                   weak_factory_.GetWeakPtr())),
         base::TimeDelta::FromMilliseconds(
             keepalive_throttle_interval_milliseconds_));
   }
@@ skipping 57 matching lines @@
   return true;
 }
 
 void PluginGlobals::OnReleaseKeepaliveThrottle() {
   ppapi::ProxyLock::AssertAcquiredDebugOnly();
   plugin_recently_active_ = false;
 }
 
 }  // namespace proxy
 }  // namespace ppapi