Refactors DockedWindowLayoutManager in terms of ash/wm/common

ash/shelf/shelf_widget.h

 // 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.
 
 #ifndef ASH_SHELF_SHELF_WIDGET_H_
 #define ASH_SHELF_SHELF_WIDGET_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 21 matching lines @@
   ShelfWidget(aura::Window* shelf_container,
               aura::Window* status_container,
               WorkspaceController* workspace_controller);
   ~ShelfWidget() override;
 
   // Returns if shelf alignment option is enabled, and the user is able to
   // adjust the alignment (guest and supervised mode users cannot for example).
   static bool ShelfAlignmentAllowed();
 
   void OnShelfAlignmentChanged();
-  ShelfAlignment GetAlignment() const;
+  wm::ShelfAlignment GetAlignment() const;
 
   // Sets the shelf's background type.
-  void SetPaintsBackground(ShelfBackgroundType background_type,
+  void SetPaintsBackground(wm::ShelfBackgroundType background_type,
                            BackgroundAnimatorChangeType change_type);
-  ShelfBackgroundType GetBackgroundType() const;
+  wm::ShelfBackgroundType GetBackgroundType() const;
 
   // Hide the shelf behind a black bar during e.g. a user transition when |hide|
   // is true. The |animation_time_ms| will be used as animation duration.
   void HideShelfBehindBlackBar(bool hide, int animation_time_ms);
   bool IsShelfHiddenBehindBlackBar() const;
 
   // Causes shelf items to be slightly dimmed (e.g. when a window is maximized).
   void SetDimsShelf(bool dimming);
   bool GetDimsShelf() const;
 
@@ skipping 51 matching lines @@
   // during CloseChildWindows of the associated RootWindowController.
   DelegateView* delegate_view_;
   BackgroundAnimator background_animator_;
   bool activating_as_fallback_;
   aura::Window* window_container_;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_WIDGET_H_