Refactors DockedWindowLayoutManager in terms of ash/wm/common

ash/system/chromeos/power/tray_power.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 "ash/system/chromeos/power/tray_power.h"
 
 #include <utility>
 
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_switches.h"
@@ skipping 169 matching lines @@
 void TrayPower::DestroyTrayView() {
   power_tray_ = NULL;
 }
 
 void TrayPower::DestroyDefaultView() {
 }
 
 void TrayPower::UpdateAfterLoginStatusChange(user::LoginStatus status) {
 }
 
-void TrayPower::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
+void TrayPower::UpdateAfterShelfAlignmentChange(wm::ShelfAlignment alignment) {
   SetTrayImageItemBorder(power_tray_, alignment);
 }
 
 void TrayPower::OnPowerStatusChanged() {
   bool battery_alert = UpdateNotificationState();
   if (power_tray_)
     power_tray_->UpdateStatus(battery_alert);
 
   // Factory testing may place the battery into unusual states.
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 155 matching lines @@
   }
   NOTREACHED();
   return false;
 }
 
 void TrayPower::NotifyUsbNotificationClosedByUser() {
   usb_notification_dismissed_ = true;
 }
 
 }  // namespace ash