dbus: Stop accessing ObjectProxy::name_owner_changed_callback_ on the D-Bus thread

chromeos/dbus/power_manager_client.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 "chromeos/dbus/power_manager_client.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 320 matching lines @@
   // Make a method call to power manager with no arguments and no response.
   void SimpleMethodCallToPowerManager(const std::string& method_name) {
     dbus::MethodCall method_call(power_manager::kPowerManagerInterface,
                                  method_name);
     power_manager_proxy_->CallMethod(
         &method_call,
         dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         dbus::ObjectProxy::EmptyResponseCallback());
   }
 
-  void NameOwnerChangedReceived(dbus::Signal* signal) {
+  void NameOwnerChangedReceived(const std::string& old_owner,
+                                const std::string& new_owner) {
     VLOG(1) << "Power manager restarted";
     RegisterSuspendDelay();
     SetIsProjecting(last_is_projecting_);
     FOR_EACH_OBSERVER(Observer, observers_, PowerManagerRestarted());
   }
 
   void BrightnessChangedReceived(dbus::Signal* signal) {
     dbus::MessageReader reader(signal);
     int32 brightness_level = 0;
     bool user_initiated = 0;
@@ skipping 509 matching lines @@
 // static
 PowerManagerClient* PowerManagerClient::Create(
     DBusClientImplementationType type) {
   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
     return new PowerManagerClientImpl();
   DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
   return new PowerManagerClientStubImpl();
 }
 
 }  // namespace chromeos