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

ash/display/screen_orientation_controller_chromeos.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_DISPLAY_SCREEN_ORIENTATION_CONTROLLER_CHROMEOS_H_
 #define ASH_DISPLAY_SCREEN_ORIENTATION_CONTROLLER_CHROMEOS_H_
 
 #include <unordered_map>
 
 #include "ash/ash_export.h"
 #include "ash/shell_observer.h"
 #include "ash/wm_display_observer.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "chromeos/accelerometer/accelerometer_reader.h"
 #include "chromeos/accelerometer/accelerometer_types.h"
 #include "third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationLockType.h"
 #include "ui/aura/window_observer.h"
 #include "ui/display/display.h"
 #include "ui/wm/public/activation_change_observer.h"
 
+namespace aura {
+class Window;
+}
+
 namespace ash {
 namespace test {
 class ScreenOrientationControllerTestApi;
 }
 
 // Implements ChromeOS specific functionality for ScreenOrientationProvider.
 class ASH_EXPORT ScreenOrientationController
     : public aura::client::ActivationChangeObserver,
       public aura::WindowObserver,
       public chromeos::AccelerometerReader::Observer,
@@ skipping 25 matching lines @@
 
   ScreenOrientationController();
   ~ScreenOrientationController() override;
 
   // Add/Remove observers.
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Allows/unallows a window to lock the screen orientation.
   void LockOrientationForWindow(
-      WmWindow* requesting_window,
+      aura::Window* requesting_window,
       blink::WebScreenOrientationLockType lock_orientation,
       LockCompletionBehavior lock_completion_behavior);
-  void UnlockOrientationForWindow(WmWindow* window);
+  void UnlockOrientationForWindow(aura::Window* window);
 
   // Unlock all and set the rotation back to the user specified rotation.
   void UnlockAll();
 
   bool ScreenOrientationProviderSupported() const;
 
   bool ignore_display_configuration_updates() const {
     return ignore_display_configuration_updates_;
   }
 
@@ skipping 138 matching lines @@
 
   // The current rotation set by ScreenOrientationController for the internal
   // display.
   display::Display::Rotation current_rotation_;
 
   // Rotation Lock observers.
   base::ObserverList<Observer> observers_;
 
   // Tracks all windows that have requested a lock, as well as the requested
   // orientation.
-  std::unordered_map<WmWindow*, LockInfo> lock_info_map_;
+  std::unordered_map<aura::Window*, LockInfo> lock_info_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenOrientationController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_SCREEN_ORIENTATION_CONTROLLER_CHROMEOS_H_