mash: Allow a subset of D-Bus clients to be created in DBusThreadManager

ash/system/chromeos/power/video_activity_notifier.cc

Index: ash/system/chromeos/power/video_activity_notifier.cc
diff --git a/ash/system/chromeos/power/video_activity_notifier.cc b/ash/system/chromeos/power/video_activity_notifier.cc
index 3c194264c5b4dfc7552544fb3c34e86f0b2d8602..0716f1ae68b5dca4363b335a6de2e925af3e0c68 100644
--- a/ash/system/chromeos/power/video_activity_notifier.cc
+++ b/ash/system/chromeos/power/video_activity_notifier.cc
@@ -4,10 +4,11 @@
 
 #include "ash/system/chromeos/power/video_activity_notifier.h"
 
+#include "ash/common/dbus_thread_manager_ash.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/shell.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
+// #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
 
 namespace ash {
@@ -73,7 +74,7 @@ void VideoActivityNotifier::UpdateTimer() {
 
 void VideoActivityNotifier::MaybeNotifyPowerManager() {
   if (should_notify_power_manager()) {
-    chromeos::DBusThreadManager::Get()
+    DBusThreadManagerAsh::Get()
         ->GetPowerManagerClient()
         ->NotifyVideoActivity(video_state_ ==
                               VideoDetector::State::PLAYING_FULLSCREEN);