events: Clean up dispatching code for touch-events.

ui/base/events/event_target.cc

Index: ui/base/events/event_target.cc
diff --git a/ui/base/events/event_target.cc b/ui/base/events/event_target.cc
index a11ec5b7938bf4cb0260abc5196b951b4df059c5..505c299b236b6d351f9550d2d70d99b7bd627b2e 100644
--- a/ui/base/events/event_target.cc
+++ b/ui/base/events/event_target.cc
@@ -84,10 +84,10 @@ EventResult EventTarget::OnScrollEvent(ScrollEvent* event) {
   return target_handler_ ? target_handler_->OnScrollEvent(event) : ER_UNHANDLED;
 }
 
-TouchStatus EventTarget::OnTouchEvent(TouchEvent* event) {
+EventResult EventTarget::OnTouchEvent(TouchEvent* event) {
   CHECK_EQ(this, event->target());
   return target_handler_ ? target_handler_->OnTouchEvent(event) :
-                           TOUCH_STATUS_UNKNOWN;
+                           ER_UNHANDLED;
 }
 
 EventResult EventTarget::OnGestureEvent(GestureEvent* event) {