Convert Window Container Ids to an Enum

ash/autoclick/mus/autoclick_application.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/autoclick/mus/autoclick_application.h"
 
 #include "ash/public/cpp/shell_window_ids.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 96 matching lines @@
     views::Widget::InitParams params(
         views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
     params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
     params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
     params.activatable = views::Widget::InitParams::ACTIVATABLE_NO;
     params.accept_events = false;
     params.delegate = new AutoclickUI(autoclick_controller_common_.get());
 
     params.mus_properties[ui::mojom::WindowManager::kContainerId_InitProperty] =
         mojo::ConvertTo<std::vector<uint8_t>>(
-            ash::kShellWindowId_OverlayContainer);
+            static_cast<int32_t>(ash::kShellWindowId_OverlayContainer));
     params.show_state = ui::SHOW_STATE_FULLSCREEN;
     widget_->Init(params);
   } else {
     widget_->Close();
     base::MessageLoop::current()->QuitWhenIdle();
   }
 }
 
 void AutoclickApplication::SetAutoclickDelay(uint32_t delay_in_milliseconds) {
   autoclick_controller_common_->SetAutoclickDelay(
@@ skipping 30 matching lines @@
   // TODO(riajiang): Currently not working. Need to know how to generate events
   // in mus world (crbug.com/628665).
 }
 
 void AutoclickApplication::OnAutoclickCanceled() {
   // Not used in mus.
 }
 
 }  // namespace autoclick
 }  // namespace ash