Makes ash/mus use RootWindowControllerCommon

ash/mus/property_util.cc

 // Copyright 2015 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/property_util.h"
 
 #include <stdint.h>
 
 #include "ash/mus/shadow.h"
 #include "components/mus/public/cpp/property_type_converters.h"
@@ skipping 56 matching lines @@
 
 gfx::Size GetWindowPreferredSize(const ::mus::Window* window) {
   if (window->HasSharedProperty(
           ::mus::mojom::WindowManager::kPreferredSize_Property)) {
     return window->GetSharedProperty<gfx::Size>(
         ::mus::mojom::WindowManager::kPreferredSize_Property);
   }
   return gfx::Size();
 }
 
-mojom::Container GetRequestedContainer(const ::mus::Window* window) {
-  if (window->HasSharedProperty(mojom::kWindowContainer_Property)) {
-    return static_cast<mojom::Container>(
-        window->GetSharedProperty<int32_t>(mojom::kWindowContainer_Property));
-  }
-  return mojom::Container::USER_PRIVATE_WINDOWS;
+bool GetRequestedContainer(const ::mus::Window* window,
+                           mojom::Container* container) {
+  if (!window->HasSharedProperty(mojom::kWindowContainer_Property))
+    return false;
+
+  *container = static_cast<mojom::Container>(
+      window->GetSharedProperty<int32_t>(mojom::kWindowContainer_Property));
+  return true;
 }
 
 int32_t GetResizeBehavior(const ::mus::Window* window) {
   if (window->HasSharedProperty(
           ::mus::mojom::WindowManager::kResizeBehavior_Property)) {
     return window->GetSharedProperty<int32_t>(
         ::mus::mojom::WindowManager::kResizeBehavior_Property);
   }
   return ::mus::mojom::kResizeBehaviorNone;
 }
@@ skipping 135 matching lines @@
 
 bool IsAlwaysOnTop(::mus::Window* window) {
   return window->HasSharedProperty(
              ::mus::mojom::WindowManager::kAlwaysOnTop_Property) &&
          window->GetSharedProperty<bool>(
              ::mus::mojom::WindowManager::kAlwaysOnTop_Property);
 }
 
 }  // namespace mus
 }  // namespace ash