Consume TAP regardless of menu result to avoid setting HOT state in CustomButton.

ui/views/controls/button/menu_button.cc

Index: ui/views/controls/button/menu_button.cc
diff --git a/ui/views/controls/button/menu_button.cc b/ui/views/controls/button/menu_button.cc
index 23607f4eb56b4279bd1c44c6c31b9077279c5eed..fe33e35bf391f815c664ae64227922758dfee773 100644
--- a/ui/views/controls/button/menu_button.cc
+++ b/ui/views/controls/button/menu_button.cc
@@ -224,6 +224,7 @@ ui::GestureStatus MenuButton::OnGestureEvent(const GestureEvent& event) {
   if (state() != BS_DISABLED && event.type() == ui::ET_GESTURE_TAP) {
     if (Activate())
       return ui::GESTURE_STATUS_CONSUMED;
+    return ui::GESTURE_STATUS_UNKNOWN;
   }
   return TextButton::OnGestureEvent(event);
 }