Turn AppList context menus Async

ui/app_list/views/app_list_item_view.cc

Index: ui/app_list/views/app_list_item_view.cc
diff --git a/ui/app_list/views/app_list_item_view.cc b/ui/app_list/views/app_list_item_view.cc
index e6051410b702fde14b8911d0de56471e5f5a2a01..0aa47a0be54bd24203485832e7e02a22ed4ed6d1 100644
--- a/ui/app_list/views/app_list_item_view.cc
+++ b/ui/app_list/views/app_list_item_view.cc
@@ -304,16 +304,11 @@ void AppListItemView::ShowContextMenuForView(views::View* source,
 
   if (!apps_grid_view_->IsSelectedView(this))
     apps_grid_view_->ClearAnySelectedView();
-  context_menu_runner_.reset(
-      new views::MenuRunner(menu_model, views::MenuRunner::HAS_MNEMONICS));
-  if (context_menu_runner_->RunMenuAt(GetWidget(),
-                                      NULL,
-                                      gfx::Rect(point, gfx::Size()),
-                                      views::MENU_ANCHOR_TOPLEFT,
-                                      source_type) ==
-      views::MenuRunner::MENU_DELETED) {
-    return;
-  }
+  context_menu_runner_.reset(new views::MenuRunner(
+      menu_model, views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::ASYNC));
+  context_menu_runner_->RunMenuAt(GetWidget(), NULL,
+                                  gfx::Rect(point, gfx::Size()),
+                                  views::MENU_ANCHOR_TOPLEFT, source_type);
 }
 
 void AppListItemView::StateChanged() {