Parent the AppInfoDialog using a ModalDialogHost

components/constrained_window/constrained_window_views.h

 // 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.
 
 #ifndef COMPONENTS_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_VIEWS_H_
 #define COMPONENTS_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_VIEWS_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/gfx/native_widget_types.h"
 
@@ skipping 37 matching lines @@
 
 // Create a widget for |dialog| that is modal to |web_contents|.
 // The modal type of |dialog->GetModalType()| must be ui::MODAL_TYPE_CHILD.
 views::Widget* CreateWebModalDialogViews(views::WidgetDelegate* dialog,
                                          content::WebContents* web_contents);
 
 // Create a widget for |dialog| that has a modality given by
 // |dialog->GetModalType()|.  The modal type must be either
 // ui::MODAL_TYPE_SYSTEM or ui::MODAL_TYPE_WINDOW.  This places the
 // dialog appropriately if |parent| is a valid browser window.
+// DEPRECATED: Use CreateModalDialogViews().
 views::Widget* CreateBrowserModalDialogViews(views::DialogDelegate* dialog,
                                              gfx::NativeView parent);
 
+// Create a widget for |dialog| that is modal to |host|. This could be a
+// WebContents, a browser window, or another kind of ModalDialogHost. The
+// modality is given by dialog->GetModalType(), which must be
+// ui::MODAL_TYPE_SYSTEM or ui::MODAL_TYPE_WINDOW. Calls through this API will
+// not use the PopupManager, but will have their position and lifetime
+// determined by |host|.
+views::Widget* CreateModalDialogViews(views::DialogDelegate* dialog,
+                                      web_modal::ModalDialogHost* host);
+
 }  // namespace constrained window
 
 #endif  // COMPONENTS_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_VIEWS_H_