ui: Remove TouchStatus in favour of EventResult.

ash/wm/event_rewriter_event_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/wm/event_rewriter_event_filter.h"
 
 #include "ash/event_rewriter_delegate.h"
 #include "base/logging.h"
 #include "ui/base/events/event.h"
 
@@ skipping 40 matching lines @@
     case EventRewriterDelegate::ACTION_REWRITE_EVENT:
       return false;
     case EventRewriterDelegate::ACTION_DROP_EVENT:
       return true;
   }
 
   NOTREACHED();
   return false;
 }
 
-ui::TouchStatus EventRewriterEventFilter::PreHandleTouchEvent(
+ui::EventResult EventRewriterEventFilter::PreHandleTouchEvent(
     aura::Window* target, ui::TouchEvent* event) {
-  return ui::TOUCH_STATUS_UNKNOWN;  // Not handled.
+  return ui::ER_UNHANDLED;  // Not handled.
 }
 
 ui::EventResult EventRewriterEventFilter::PreHandleGestureEvent(
     aura::Window* target, ui::GestureEvent* event) {
   return ui::ER_UNHANDLED;  // Not handled.
 }
 
 }  // namespace internal
 }  // namespace ash