mash: Partially migrate WorkspaceController to ash common.

ash/shelf/shelf_layout_manager.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_SHELF_SHELF_LAYOUT_MANAGER_H_
 #define ASH_SHELF_SHELF_LAYOUT_MANAGER_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 17 matching lines @@
 namespace ui {
 class ImplicitAnimationObserver;
 }
 
 namespace ash {
 
 class PanelLayoutManagerTest;
 class ShelfLayoutManagerObserver;
 class ShelfLayoutManagerTest;
 class ShelfWidget;
-class WorkspaceController;
 
 // ShelfLayoutManager is the layout manager responsible for the shelf and
 // status widgets. The shelf is given the total available width and told the
 // width of the status area. This allows the shelf to draw the background and
 // layout to the status area.
 // To respond to bounds changes in the status area StatusAreaLayoutManager works
 // closely with ShelfLayoutManager.
 // On mus, widget bounds management is handled by the window manager.
 class ASH_EXPORT ShelfLayoutManager
     : public ShellObserver,
       public WmActivationObserver,
       public DockedWindowLayoutManagerObserver,
       public keyboard::KeyboardControllerObserver,
       public LockStateObserver,
       public wm::WmSnapToPixelLayoutManager,
       public SessionStateObserver {
  public:
   explicit ShelfLayoutManager(ShelfWidget* shelf_widget);
   ~ShelfLayoutManager() override;
 
-  void set_workspace_controller(WorkspaceController* controller) {
-    workspace_controller_ = controller;
-  }
-
   bool updating_bounds() const { return updating_bounds_; }
 
   // Clears internal data for shutdown process.
   void PrepareForShutdown();
 
   // Returns whether the shelf and its contents (shelf, status) are visible
   // on the screen.
   bool IsVisible() const;
 
   // Returns the ideal bounds of the shelf assuming it is visible.
@@ skipping 231 matching lines @@
   bool in_shutdown_ = false;
 
   // True if the last mouse event was a mouse drag.
   bool in_mouse_drag_ = false;
 
   // Current state.
   State state_;
 
   ShelfWidget* shelf_widget_;
 
-  WorkspaceController* workspace_controller_;
-
   // Do any windows overlap the shelf? This is maintained by WorkspaceManager.
   bool window_overlaps_shelf_;
 
   base::OneShotTimer auto_hide_timer_;
 
   // Whether the mouse was over the shelf when the auto hide timer started.
   // False when neither the auto hide timer nor the timer task are running.
   bool mouse_over_shelf_when_auto_hide_timer_started_;
 
   base::ObserverList<ShelfLayoutManagerObserver> observers_;
@@ skipping 39 matching lines @@
 
   std::unique_ptr<RootWindowControllerObserverImpl>
       root_window_controller_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_LAYOUT_MANAGER_H_