Use ThreadTaskRunnerHandle::Get() in dbus.

dbus/bus.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 "dbus/bus.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "dbus/exported_object.h"
 #include "dbus/message.h"
 #include "dbus/object_manager.h"
 #include "dbus/object_path.h"
 #include "dbus/object_proxy.h"
 #include "dbus/scoped_dbus_error.h"
 
 namespace dbus {
 
@@ skipping 169 matching lines @@
       origin_thread_id_(base::PlatformThread::CurrentId()),
       async_operations_set_up_(false),
       shutdown_completed_(false),
       num_pending_watches_(0),
       num_pending_timeouts_(0),
       address_(options.address) {
   // This is safe to call multiple times.
   dbus_threads_init_default();
   // The origin message loop is unnecessary if the client uses synchronous
   // functions only.
-  if (base::MessageLoop::current())
-    origin_task_runner_ = base::MessageLoop::current()->task_runner();
+  if (base::ThreadTaskRunnerHandle::IsSet())
+    origin_task_runner_ = base::ThreadTaskRunnerHandle::Get();
 }
 
 Bus::~Bus() {
   DCHECK(!connection_);
   DCHECK(owned_service_names_.empty());
   DCHECK(match_rules_added_.empty());
   DCHECK(filter_functions_added_.empty());
   DCHECK(registered_object_paths_.empty());
   DCHECK_EQ(0, num_pending_watches_);
   // TODO(satorux): This check fails occasionally in browser_tests for tests
@@ skipping 998 matching lines @@
                              kNameOwnerChangedSignal)) {
     Bus* self = static_cast<Bus*>(data);
     self->OnServiceOwnerChanged(message);
   }
   // Always return unhandled to let others, e.g. ObjectProxies, handle the same
   // signal.
   return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 }
 
 }  // namespace dbus