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

ash/wm/maximize_mode/maximize_mode_controller.cc

 // 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.
 
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
 
 #include <utility>
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
@@ skipping 167 matching lines @@
     observers_.ForAllPtrs([](mojom::TouchViewObserver* observer) {
       observer->OnTouchViewToggled(false);
     });
   }
 }
 
 bool MaximizeModeController::IsMaximizeModeWindowManagerEnabled() const {
   return maximize_mode_window_manager_.get() != NULL;
 }
 
-void MaximizeModeController::AddWindow(WmWindow* window) {
+void MaximizeModeController::AddWindow(aura::Window* window) {
   if (IsMaximizeModeWindowManagerEnabled())
     maximize_mode_window_manager_->AddWindow(window);
 }
 
 void MaximizeModeController::BindRequest(
     mojom::TouchViewManagerRequest request) {
   bindings_.AddBinding(this, std::move(request));
 }
 
 void MaximizeModeController::OnAccelerometerUpdated(
@@ skipping 278 matching lines @@
   return elapsed_time.InSeconds() <= kLidRecentlyOpenedDurationSeconds;
 }
 
 void MaximizeModeController::SetTickClockForTest(
     std::unique_ptr<base::TickClock> tick_clock) {
   DCHECK(tick_clock_);
   tick_clock_ = std::move(tick_clock);
 }
 
 }  // namespace ash