ui: Remove TouchStatus in favour of EventResult.

ash/system/tray/tray_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/system/tray/tray_event_filter.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/tray/tray_background_view.h"
@@ skipping 23 matching lines @@
   return false;
 }
 
 bool TrayEventFilter::PreHandleMouseEvent(aura::Window* target,
                                           ui::MouseEvent* event) {
   if (event->type() == ui::ET_MOUSE_PRESSED)
     return ProcessLocatedEvent(target, *event);
   return false;
 }
 
-ui::TouchStatus TrayEventFilter::PreHandleTouchEvent(aura::Window* target,
+ui::EventResult TrayEventFilter::PreHandleTouchEvent(aura::Window* target,
                                                      ui::TouchEvent* event) {
   if (event->type() == ui::ET_TOUCH_PRESSED) {
     if (ProcessLocatedEvent(target, *event))
-      return ui::TOUCH_STATUS_END;
+      return ui::ER_CONSUMED;
   }
-  return ui::TOUCH_STATUS_UNKNOWN;
+  return ui::ER_UNHANDLED;
 }
 
 ui::EventResult TrayEventFilter::PreHandleGestureEvent(
     aura::Window* target,
     ui::GestureEvent* event) {
   return ui::ER_UNHANDLED;
 }
 
 bool TrayEventFilter::ProcessLocatedEvent(aura::Window* target,
                                           const ui::LocatedEvent& event) {
@@ skipping 22 matching lines @@
     if (bounds.Contains(event.root_location()))
       return false;
   }
   // Handle clicking outside the bubble and tray and return true if the
   // event was handled.
   return wrapper_->tray()->ClickedOutsideBubble();
 }
 
 }  // namespace internal
 }  // namespace ash