events: Get rid of GestureStatus in favour of EventResult.

ash/system/tray/tray_bubble_view.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_bubble_view.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/tray/tray_constants.h"
@@ skipping 458 matching lines @@
 }
 
 ui::TouchStatus TrayBubbleView::Host::PreHandleTouchEvent(
     aura::Window* target,
     ui::TouchEvent* event) {
   if (event->type() == ui::ET_TOUCH_PRESSED)
     ProcessLocatedEvent(target, *event);
   return ui::TOUCH_STATUS_UNKNOWN;
 }
 
-ui::GestureStatus TrayBubbleView::Host::PreHandleGestureEvent(
+ui::EventResult TrayBubbleView::Host::PreHandleGestureEvent(
     aura::Window* target,
     ui::GestureEvent* event) {
-  return ui::GESTURE_STATUS_UNKNOWN;
+  return ui::ER_UNHANDLED;
 }
 
 void TrayBubbleView::Host::ProcessLocatedEvent(
     aura::Window* target, const ui::LocatedEvent& event) {
   if (target) {
     // Don't process events that occurred inside an embedded menu.
     RootWindowController* root_controller =
         GetRootWindowController(target->GetRootWindow());
     if (root_controller && root_controller->GetContainer(
             ash::internal::kShellWindowId_MenuContainer)->Contains(target)) {
@@ skipping 13 matching lines @@
       return;
   }
   // Handle clicking outside the bubble and tray. We don't block the event, so
   // it will also be handled by whatever widget was clicked on.
   OnClickedOutsideView();
 }
 
 
 }  // namespace internal
 }  // namespace ash