Hide hover effect on hidden ink drop host views.

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 d5796b0e21cbe0c402aeed7b88f916582080ef8a..20b3452374de8f1e6335e34c97250b56a45e2456 100644
--- a/ui/views/controls/button/menu_button.cc
+++ b/ui/views/controls/button/menu_button.cc
@@ -395,7 +395,9 @@ void MenuButton::DecrementPressedLocked() {
       desired_state = STATE_HOVERED;
     }
     SetState(desired_state);
-    if (state() != STATE_PRESSED)
+    // The widget may be null during shutdown. If so, it doesn't make sense to
+    // try to add an ink drop effect.
+    if (GetWidget() && state() != STATE_PRESSED)
       AnimateInkDrop(InkDropState::DEACTIVATED);
   }
 }