ui: Remove TouchStatus in favour of EventResult.

ash/accelerators/accelerator_filter.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/accelerators/accelerator_filter.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/root_window.h"
@@ skipping 71 matching lines @@
   if (!ShouldProcessAcceleratorsNow(accelerator, target))
     return false;
   return Shell::GetInstance()->accelerator_controller()->Process(accelerator);
 }
 
 bool AcceleratorFilter::PreHandleMouseEvent(aura::Window* target,
                                             ui::MouseEvent* event) {
   return false;
 }
 
-ui::TouchStatus AcceleratorFilter::PreHandleTouchEvent(
+ui::EventResult AcceleratorFilter::PreHandleTouchEvent(
     aura::Window* target,
     ui::TouchEvent* event) {
-  return ui::TOUCH_STATUS_UNKNOWN;
+  return ui::ER_UNHANDLED;
 }
 
 ui::EventResult AcceleratorFilter::PreHandleGestureEvent(
     aura::Window* target,
     ui::GestureEvent* event) {
   return ui::ER_UNHANDLED;
 }
 
 }  // namespace internal
 }  // namespace ash