[mus+ash] Removes WmWindow from ash/wm/mru_window_tracker and overview mode

ash/wm/overview/window_grid.h

 // Copyright 2014 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_WM_OVERVIEW_WINDOW_GRID_H_
 #define ASH_WM_OVERVIEW_WINDOW_GRID_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 32 matching lines @@
 // |   6   |
 // +-------+
 // Example sequences:
 //  - Going right to left
 //    0, 1, 2, 3, 4, 5, 6
 // The selector is switched to the next window grid (if available) or wrapped if
 // it reaches the end of its movement sequence.
 class ASH_EXPORT WindowGrid : public aura::WindowObserver,
                               public wm::WindowStateObserver {
  public:
-  WindowGrid(WmWindow* root_window,
-             const std::vector<WmWindow*>& window_list,
+  WindowGrid(aura::Window* root_window,
+             const std::vector<aura::Window*>& window_list,
              WindowSelector* window_selector);
   ~WindowGrid() override;
 
   // Exits overview mode, fading out the |shield_widget_| if necessary.
   void Shutdown();
 
   // Prepares the windows in this grid for overview. This will restore all
   // minimized windows and ensure they are visible.
   void PrepareForOverview();
 
@@ skipping 14 matching lines @@
   // Updates |selected_index_| according to the specified |direction| and calls
   // MoveSelectionWidget(). Returns |true| if the new selection index is out of
   // this window grid bounds.
   bool Move(WindowSelector::Direction direction, bool animate);
 
   // Returns the target selected window, or NULL if there is none selected.
   WindowSelectorItem* SelectedWindow() const;
 
   // Returns true if a window is contained in any of the WindowSelectorItems
   // this grid owns.
-  bool Contains(const WmWindow* window) const;
+  bool Contains(const aura::Window* window) const;
 
   // Dims the items whose titles do not contain |pattern| and prevents their
   // selection. The pattern has its accents removed and is converted to
   // lowercase in a l10n sensitive context.
   // If |pattern| is empty, no item is dimmed.
   void FilterItems(const base::string16& pattern);
 
   // Called when |window| is about to get closed. If the |window| is currently
   // selected the implementation fades out |selection_widget_| to transparent
   // opacity, effectively hiding the selector widget.
   void WindowClosing(WindowSelectorItem* window);
 
   // Returns true if the grid has no more windows.
   bool empty() const { return window_list_.empty(); }
 
   // Returns how many window selector items are in the grid.
   size_t size() const { return window_list_.size(); }
 
   // Returns true if the selection widget is active.
   bool is_selecting() const { return selection_widget_ != nullptr; }
 
   // Returns the root window in which the grid displays the windows.
-  const WmWindow* root_window() const { return root_window_; }
+  const aura::Window* root_window() const { return root_window_; }
 
   const std::vector<std::unique_ptr<WindowSelectorItem>>& window_list() const {
     return window_list_;
   }
 
   // aura::WindowObserver:
   void OnWindowDestroying(aura::Window* window) override;
   // TODO(flackr): Handle window bounds changed in WindowSelectorItem.
   void OnWindowBoundsChanged(aura::Window* window,
                              const gfx::Rect& old_bounds,
@@ skipping 31 matching lines @@
   // |max_right| parameters are ignored and their values are always initialized
   // inside this method. Returns true on success and false otherwise.
   bool FitWindowRectsInBounds(const gfx::Rect& bounds,
                               int height,
                               std::vector<gfx::Rect>* rects,
                               int* max_bottom,
                               int* min_right,
                               int* max_right);
 
   // Root window the grid is in.
-  WmWindow* root_window_;
+  aura::Window* root_window_;
 
   // Pointer to the window selector that spawned this grid.
   WindowSelector* window_selector_;
 
   // Vector containing all the windows in this grid.
   std::vector<std::unique_ptr<WindowSelectorItem>> window_list_;
 
   ScopedObserver<aura::Window, WindowGrid> window_observer_;
   ScopedObserver<wm::WindowState, WindowGrid> window_state_observer_;
 
@@ skipping 14 matching lines @@
 
   // True only after all windows have been prepared for overview.
   bool prepared_for_overview_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowGrid);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_GRID_H_