Update ui/views menus to use async

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index ea2a29aa89fec7a4c5d5b8aa545a4bfca1126253..7e663612c94aee61b0659fc9cbf8335969f255a5 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -1951,9 +1951,10 @@ void Textfield::UpdateContextMenu() {
     if (controller_)
       controller_->UpdateContextMenu(context_menu_contents_.get());
   }
-  context_menu_runner_.reset(
-      new MenuRunner(context_menu_contents_.get(),
-                     MenuRunner::HAS_MNEMONICS | MenuRunner::CONTEXT_MENU));
+  context_menu_runner_.reset(new MenuRunner(context_menu_contents_.get(),
+                                            MenuRunner::HAS_MNEMONICS |
+                                                MenuRunner::CONTEXT_MENU |
+                                                MenuRunner::ASYNC));
 }
 
 void Textfield::TrackMouseClicks(const ui::MouseEvent& event) {