cros: Bind hangup red button on remote controller to close web dialog

chrome/browser/ui/views/chrome_web_dialog_view.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
 #include "ui/views/controls/webview/web_dialog_view.h"
 #include "ui/views/widget/widget.h"
 
@@ skipping 32 matching lines @@
       new views::WebDialogView(context, delegate, new ChromeWebContentsHandler);
   views::Widget::InitParams params;
   params.delegate = view;
   // NOTE: The |parent| may be null, which will result in the default window
   // placement on Aura.
   params.parent = parent;
   return ShowWebDialogWidget(params, view);
 }
 
 #if defined(USE_ASH)
-void ShowWebDialogInContainer(int container_id,
-                              content::BrowserContext* context,
-                              ui::WebDialogDelegate* delegate) {
+gfx::NativeWindow ShowWebDialogInContainer(int container_id,
+                                           content::BrowserContext* context,
+                                           ui::WebDialogDelegate* delegate) {
   DCHECK(container_id != ash::kShellWindowId_Invalid);
   views::WebDialogView* view =
       new views::WebDialogView(context, delegate, new ChromeWebContentsHandler);
   views::Widget::InitParams params;
   params.delegate = view;
   if (ash_util::IsRunningInMash()) {
     using ui::mojom::WindowManager;
     params.mus_properties[WindowManager::kContainerId_InitProperty] =
         mojo::ConvertTo<std::vector<uint8_t>>(container_id);
   } else {
     params.parent = ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
                                              container_id);
   }
-  ShowWebDialogWidget(params, view);
+  return ShowWebDialogWidget(params, view);
 }
 #endif  // defined(USE_ASH)
 
 }  // namespace chrome