2 files changed, 7 insertions, 0 deletions
diff --git a/ui/events/event_target.cc b/ui/events/event_target.cc
index 9aa53902..56b7a16 100644
--- a/ui/events/event_target.cc
+++ b/ui/events/event_target.cc
@@ -48,6 +48,10 @@ void EventTarget::RemovePostTargetHandler(EventHandler* handler) {
     post_target_list_.erase(find);
 }
 
+bool EventTarget::IsPreTargetListEmpty() const {
+  return pre_target_list_.empty();
+}
+
 void EventTarget::OnEvent(Event* event) {
   CHECK_EQ(this, event->target());
   if (target_handler_)
diff --git a/ui/events/event_target.h b/ui/events/event_target.h
index 39671e2..12dbb35 100644
--- a/ui/events/event_target.h
+++ b/ui/events/event_target.h
@@ -70,6 +70,9 @@ class EVENTS_EXPORT EventTarget : public EventHandler {
   void AddPostTargetHandler(EventHandler* handler);
   void RemovePostTargetHandler(EventHandler* handler);
 
+  // Returns true if the event pre target list is empty.
+  bool IsPreTargetListEmpty() const;
+
  protected:
   void set_target_handler(EventHandler* handler) {
     target_handler_ = handler;