Remove Ash shelf dimmer.

ash/common/shelf/wm_shelf.h

 // Copyright 2016 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_COMMON_SHELF_WM_SHELF_H_
 #define ASH_COMMON_SHELF_WM_SHELF_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 10 matching lines @@
 class GestureEvent;
 }
 
 namespace ash {
 
 class ShelfLayoutManager;
 class ShelfLockingManager;
 class ShelfView;
 class ShelfWidget;
 class StatusAreaWidget;
-class WmDimmerView;
 class WmShelfObserver;
 class WmWindow;
 
 // Controller for the shelf state. Exists for the lifetime of each root window
 // controller. Note that the shelf widget may not be created until after login.
 class ASH_EXPORT WmShelf : public ShelfLayoutManagerObserver {
  public:
   // Returns the shelf for the display that |window| is on. Note that the shelf
   // widget may not exist, or the shelf may not be visible.
   static WmShelf* ForWindow(WmWindow* window);
@@ skipping 42 matching lines @@
   void SetAutoHideBehavior(ShelfAutoHideBehavior behavior);
 
   ShelfAutoHideState GetAutoHideState() const;
 
   // Invoke when the auto-hide state may have changed (for example, when the
   // system tray bubble opens it should force the shelf to be visible).
   void UpdateAutoHideState();
 
   ShelfBackgroundType GetBackgroundType() const;
 
-  // Creates a view that dims shelf items. The returned view is owned by its
-  // widget. Returns null if shelf dimming is not supported (e.g. on mus).
-  // TODO(jamescook): Delete this after material design ships, as MD will not
-  // require shelf dimming. http://crbug.com/614453
-  virtual WmDimmerView* CreateDimmerView(bool disable_animations_for_test);
-
-  // Shelf items are slightly dimmed (e.g. when a window is maximized).
-  // TODO(jamescook): Delete this after material design ships, as MD will not
-  // require shelf dimming. http://crbug.com/614453
-  bool IsDimmed() const;
-
   // Whether the shelf view is visible.
   // TODO(jamescook): Consolidate this with GetVisibilityState().
   bool IsVisible() const;
 
   void UpdateVisibilityState();
 
   ShelfVisibilityState GetVisibilityState() const;
 
   // Returns the ideal bounds of the shelf assuming it is visible.
   gfx::Rect GetIdealBounds();
@@ skipping 65 matching lines @@
   // Temporary. Used to investigate http://crbug.com/665093 .
   base::TimeTicks time_last_auto_hide_change_;
   int count_auto_hide_changes_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(WmShelf);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SHELF_WM_SHELF_H_