events: Clean up dispatching code for touch-events.

ui/base/events/event_target.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/base/events/event_target.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "ui/base/events/event.h"
@@ skipping 66 matching lines @@
 EventResult EventTarget::OnMouseEvent(MouseEvent* event) {
   CHECK_EQ(this, event->target());
   return target_handler_ ? target_handler_->OnMouseEvent(event) : ER_UNHANDLED;
 }
 
 EventResult EventTarget::OnScrollEvent(ScrollEvent* event) {
   CHECK_EQ(this, event->target());
   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) {
   CHECK_EQ(this, event->target());
   return target_handler_ ? target_handler_->OnGestureEvent(event) :
                            ER_UNHANDLED;
 }
 
 }  // namespace ui