events: Clean up dispatching code for touch-events.

ash/wm/toplevel_window_event_handler.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 "ash/wm/toplevel_window_event_handler.h"
 
 #include "ash/shell.h"
 #include "ash/wm/default_window_resizer.h"
 #include "ash/wm/property_util.h"
 #include "ash/wm/resize_shadow_controller.h"
@@ skipping 129 matching lines @@
       break;
   }
   return ui::ER_UNHANDLED;
 }
 
 ui::EventResult ToplevelWindowEventHandler::OnScrollEvent(
     ui::ScrollEvent* event) {
   return ui::ER_UNHANDLED;
 }
 
-ui::TouchStatus ToplevelWindowEventHandler::OnTouchEvent(
+ui::EventResult ToplevelWindowEventHandler::OnTouchEvent(
     ui::TouchEvent* event) {
-  return ui::TOUCH_STATUS_UNKNOWN;
+  return ui::ER_UNHANDLED;
 }
 
 ui::EventResult ToplevelWindowEventHandler::OnGestureEvent(
     ui::GestureEvent* event) {
   aura::Window* target = static_cast<aura::Window*>(event->target());
   switch (event->type()) {
     case ui::ET_GESTURE_SCROLL_BEGIN: {
       int component =
           target->delegate()->GetNonClientComponent(event->location());
       if (WindowResizer::GetBoundsChangeForWindowComponent(component) == 0) {
@@ skipping 271 matching lines @@
 void ToplevelWindowEventHandler::ResizerWindowDestroyed() {
   // We explicitly don't invoke RevertDrag() since that may do things to window.
   // Instead we destroy the resizer.
   window_resizer_.reset();
 
   // End the move loop. This does nothing if we're not in a move loop.
   EndMoveLoop();
 }
 
 }  // namespace ash