Refactors DockedWindowLayoutManager in terms of ash/wm/common

ash/system/ime/tray_ime_chromeos.h

 // Copyright 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.
 
 #ifndef ASH_SYSTEM_IME_TRAY_IME_CHROMEOS_H_
 #define ASH_SYSTEM_IME_TRAY_IME_CHROMEOS_H_
 
 #include <stddef.h>
 
 #include "ash/system/chromeos/virtual_keyboard/virtual_keyboard_observer.h"
@@ skipping 47 matching lines @@
   base::string16 GetDefaultViewLabel(bool show_ime_label);
 
   // Overridden from SystemTrayItem.
   views::View* CreateTrayView(user::LoginStatus status) override;
   views::View* CreateDefaultView(user::LoginStatus status) override;
   views::View* CreateDetailedView(user::LoginStatus status) override;
   void DestroyTrayView() override;
   void DestroyDefaultView() override;
   void DestroyDetailedView() override;
   void UpdateAfterLoginStatusChange(user::LoginStatus status) override;
-  void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) override;
+  void UpdateAfterShelfAlignmentChange(wm::ShelfAlignment alignment) override;
 
   // Overridden from IMEObserver.
   void OnIMERefresh() override;
   void OnIMEMenuActivationChanged(bool is_active) override;
 
   // Whether the default view should be shown.
   bool ShouldDefaultViewBeVisible();
 
   TrayItemView* tray_label_;
   tray::IMEDefaultView* default_;
   tray::IMEDetailedView* detailed_;
   // Whether the virtual keyboard is suppressed.
   bool keyboard_suppressed_;
   // Cached IME info.
   IMEInfoList ime_list_;
   IMEInfo current_ime_;
   IMEPropertyInfoList property_list_;
   // Whether the IME label and tray items should be visible.
   bool is_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayIME);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_IME_TRAY_IME_CHROMEOS_H_