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

ash/wm/maximize_mode/maximize_mode_window_manager.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_MAXIMIZE_MODE_MAXIMIZE_MODE_WINDOW_MANAGER_H_
 #define ASH_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_WINDOW_MANAGER_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <unordered_set>
 
 #include "ash/ash_export.h"
 #include "ash/shell_observer.h"
 #include "ash/wm/window_state.h"
 #include "base/macros.h"
 #include "ui/aura/window_observer.h"
 #include "ui/display/display_observer.h"
 
+namespace aura {
+class Window;
+}
+
 namespace ash {
 class MaximizeModeController;
 class MaximizeModeWindowState;
 
 namespace wm {
 class MaximizeModeEventHandler;
 }
 
 // A window manager which - when created - will force all windows into maximized
 // mode. Exception are panels and windows which cannot be maximized.
 // Windows which cannot be maximized / resized are centered with a layer placed
 // behind the window so that no other windows are visible and/or obscured.
 // With the destruction of the manager all windows will be restored to their
 // original state.
 class ASH_EXPORT MaximizeModeWindowManager : public aura::WindowObserver,
                                              public display::DisplayObserver,
                                              public ShellObserver {
  public:
   // This should only be deleted by the creator (ash::Shell).
   ~MaximizeModeWindowManager() override;
 
   // Returns the number of maximized & tracked windows by this manager.
   int GetNumberOfManagedWindows();
 
   // Adds a window which needs to be maximized. This is used by other window
   // managers for windows which needs to get tracked due to (upcoming) state
   // changes.
   // The call gets ignored if the window was already or should not be handled.
-  void AddWindow(WmWindow* window);
+  void AddWindow(aura::Window* window);
 
   // Called from a window state object when it gets destroyed.
-  void WindowStateDestroyed(WmWindow* window);
+  void WindowStateDestroyed(aura::Window* window);
 
   // ShellObserver overrides:
   void OnOverviewModeStarting() override;
   void OnOverviewModeEnded() override;
 
   // Overridden from WindowObserver:
   void OnWindowDestroying(aura::Window* window) override;
   void OnWindowHierarchyChanged(const HierarchyChangeParams& params) override;
   void OnWindowPropertyChanged(aura::Window* window,
                                const void* key,
@@ skipping 12 matching lines @@
   // Tell all managing windows not to handle WM events.
   void SetIgnoreWmEventsForExit();
 
  protected:
   friend class MaximizeModeController;
 
   // The object should only be created by the ash::Shell.
   MaximizeModeWindowManager();
 
  private:
-  using WindowToState = std::map<WmWindow*, MaximizeModeWindowState*>;
+  using WindowToState = std::map<aura::Window*, MaximizeModeWindowState*>;
 
   // Maximize all windows and restore their current state.
   void MaximizeAllWindows();
 
   // Restore all windows to their previous state.
   void RestoreAllWindows();
 
   // Set whether to defer bounds updates on all tracked windows. When set to
   // false bounds will be updated as they may be stale.
   void SetDeferBoundsUpdates(bool defer_bounds_updates);
 
   // If the given window should be handled by us, this function will maximize it
   // and add it to the list of known windows (remembering the initial show
   // state).
   // Note: If the given window cannot be handled by us the function will return
   // immediately.
-  void MaximizeAndTrackWindow(WmWindow* window);
+  void MaximizeAndTrackWindow(aura::Window* window);
 
   // Remove a window from our tracking list.
-  void ForgetWindow(WmWindow* window);
+  void ForgetWindow(aura::Window* window);
 
   // Returns true when the given window should be modified in any way by us.
-  bool ShouldHandleWindow(WmWindow* window);
+  bool ShouldHandleWindow(aura::Window* window);
 
   // Add window creation observers to track creation of new windows.
   void AddWindowCreationObservers();
 
   // Remove Window creation observers.
   void RemoveWindowCreationObservers();
 
   // Change the internal state (e.g. observers) when the display configuration
   // changes.
   void DisplayConfigurationChanged();
@@ skipping 14 matching lines @@
   std::unordered_set<aura::Window*> added_windows_;
 
   std::unique_ptr<wm::MaximizeModeEventHandler> event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(MaximizeModeWindowManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_WINDOW_MANAGER_H_