Parent the AppInfoDialog using a ModalDialogHost

chrome/browser/ui/ash/app_list/app_list_controller_ash.cc

Index: chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
diff --git a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
index f560d4834a1973ba9a9d6063dbcae711388cec0d..775b9e07bd66f401261d94653af7a5e2bcf0cf4d 100644
--- a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
+++ b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
@@ -24,12 +24,16 @@ gfx::NativeWindow AppListControllerDelegateAsh::GetAppListWindow() {
   return ash::Shell::GetInstance()->GetAppListWindow();
 }
 
-gfx::Rect AppListControllerDelegateAsh::GetAppListBounds() {
+web_modal::ModalDialogHost* AppListControllerDelegateAsh::GetDialogHost() {
   app_list::AppListView* app_list_view =
       ash::Shell::GetInstance()->GetAppListView();
-  if (app_list_view)
-    return app_list_view->GetBoundsInScreen();
-  return gfx::Rect();
+  return app_list_view ? app_list_view->GetDialogHost() : NULL;
+}
+
+gfx::Size AppListControllerDelegateAsh::GetAppListSize() {
+  app_list::AppListView* app_list_view =
+      ash::Shell::GetInstance()->GetAppListView();
+  return app_list_view ? app_list_view->size() : gfx::Size();
 }
 
 gfx::ImageSkia AppListControllerDelegateAsh::GetWindowIcon() {