chromeos: Move files in //ash/common to //ash, part 1

ash/system/power/video_activity_notifier.cc

 // Copyright 2013 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 "ash/system/chromeos/power/video_activity_notifier.h"
+#include "ash/system/power/video_activity_notifier.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/power_manager_client.h"
 
 namespace ash {
 namespace {
 
@@ skipping 58 matching lines @@
 void VideoActivityNotifier::MaybeNotifyPowerManager() {
   if (should_notify_power_manager()) {
     chromeos::DBusThreadManager::Get()
         ->GetPowerManagerClient()
         ->NotifyVideoActivity(video_state_ ==
                               VideoDetector::State::PLAYING_FULLSCREEN);
   }
 }
 
 }  // namespace ash