views: Target the synthetic wheel events to the view under the mouse cursor.

ui/views/controls/menu/menu_host_root_view.cc

Index: ui/views/controls/menu/menu_host_root_view.cc
diff --git a/ui/views/controls/menu/menu_host_root_view.cc b/ui/views/controls/menu/menu_host_root_view.cc
index ad8bf0a0121aa332a0450a383a9a0218b4adafea..fd165a884bb7c90abbf917f6158dbee47f374162 100644
--- a/ui/views/controls/menu/menu_host_root_view.cc
+++ b/ui/views/controls/menu/menu_host_root_view.cc
@@ -62,8 +62,7 @@ bool MenuHostRootView::OnMouseWheel(const ui::MouseWheelEvent& event) {
 #endif
 }
 
-void MenuHostRootView::DispatchGestureEvent(
-    ui::GestureEvent* event) {
+void MenuHostRootView::DispatchGestureEvent(ui::GestureEvent* event) {
   RootView::DispatchGestureEvent(event);
   if (event->handled())
     return;