Remove some confusing code from ToplevelWindowEventHandler::HandleMousePressed()

ui/events/event_utils.cc

Index: ui/events/event_utils.cc
diff --git a/ui/events/event_utils.cc b/ui/events/event_utils.cc
index a8c95da6f8ffb475c5782c8a32cad8401731b9d2..8a3ba6699fedc37c674b88f900a9286aedceac50 100644
--- a/ui/events/event_utils.cc
+++ b/ui/events/event_utils.cc
@@ -16,10 +16,6 @@ namespace {
 int g_custom_event_types = ET_LAST;
 }  // namespace
 
-bool EventCanceledDefaultHandling(const Event& event) {
-  return event.phase() == EP_POSTTARGET && event.result() != ER_UNHANDLED;
-}
-
 int RegisterCustomEventType() {
   return ++g_custom_event_types;
 }