Makes WmWindowMus restore bounds use property

ash/mus/bridge/wm_window_mus.cc

 // Copyright 2016 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/mus/bridge/wm_window_mus.h"
 
 #include "ash/common/shelf/shelf_item_types.h"
 #include "ash/common/wm/container_finder.h"
 #include "ash/common/wm/window_positioning_utils.h"
 #include "ash/common/wm/window_state.h"
@@ skipping 602 matching lines @@
   return window_->bounds();
 }
 
 gfx::Rect WmWindowMus::GetTargetBounds() {
   // TODO: need animation support: http://crbug.com/615087.
   NOTIMPLEMENTED();
   return window_->bounds();
 }
 
 void WmWindowMus::ClearRestoreBounds() {
-  restore_bounds_in_screen_.reset();
+  window_->ClearSharedProperty(
+      ui::mojom::WindowManager::kRestoreBounds_Property);
 }
 
 void WmWindowMus::SetRestoreBoundsInScreen(const gfx::Rect& bounds) {
-  restore_bounds_in_screen_.reset(new gfx::Rect(bounds));
+  SetRestoreBounds(window_, bounds);
 }
 
 gfx::Rect WmWindowMus::GetRestoreBoundsInScreen() const {
-  return *restore_bounds_in_screen_;
+  return GetRestoreBounds(window_);
 }
 
 bool WmWindowMus::Contains(const WmWindow* other) const {
   return other
              ? window_->Contains(
                    static_cast<const WmWindowMus*>(other)->window_)
              : false;
 }
 
 void WmWindowMus::SetShowState(ui::WindowShowState show_state) {
@@ skipping 29 matching lines @@
 
 bool WmWindowMus::HasCapture() {
   return window_->HasCapture();
 }
 
 void WmWindowMus::ReleaseCapture() {
   window_->ReleaseCapture();
 }
 
 bool WmWindowMus::HasRestoreBounds() const {
-  return restore_bounds_in_screen_.get() != nullptr;
+  return window_->HasSharedProperty(
+      ui::mojom::WindowManager::kRestoreBounds_Property);
 }
 
 bool WmWindowMus::CanMaximize() const {
   return (GetResizeBehavior(window_) &
           ::ui::mojom::kResizeBehaviorCanMaximize) != 0;
 }
 
 bool WmWindowMus::CanMinimize() const {
   return (GetResizeBehavior(window_) &
           ::ui::mojom::kResizeBehaviorCanMinimize) != 0;
@@ skipping 286 matching lines @@
 }
 
 void WmWindowMus::OnTransientChildRemoved(ui::Window* window,
                                           ui::Window* transient) {
   FOR_EACH_OBSERVER(WmTransientWindowObserver, transient_observers_,
                     OnTransientChildRemoved(this, Get(transient)));
 }
 
 }  // namespace mus
 }  // namespace ash