Replace views::Event with ui::Event.

ash/system/tray_update.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_update.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
@@ skipping 39 matching lines @@
     AddChildView(image);
     AddChildView(new views::Label(
         bundle.GetLocalizedString(IDS_ASH_STATUS_TRAY_UPDATE)));
     SetAccessibleName(bundle.GetLocalizedString(IDS_ASH_STATUS_TRAY_UPDATE));
   }
 
   virtual ~UpdateView() {}
 
  private:
   // Overridden from ActionableView.
-  virtual bool PerformAction(const views::Event& event) OVERRIDE {
+  virtual bool PerformAction(const ui::Event& event) OVERRIDE {
     ash::Shell::GetInstance()->tray_delegate()->RequestRestart();
     return true;
   }
 
   DISALLOW_COPY_AND_ASSIGN(UpdateView);
 };
 
 }
 
 namespace ash {
@@ skipping 84 matching lines @@
 void TrayUpdate::OnUpdateRecommended() {
   tray_view()->SetVisible(true);
   if (!Shell::GetInstance()->shelf()->IsVisible() && !nagger_.get()) {
     // The shelf is not visible, and there is no nagger scheduled.
     nagger_.reset(new tray::UpdateNagger(this));
   }
 }
 
 }  // namespace internal
 }  // namespace ash