Replace views::Event with ui::Event.

ash/system/tray_accessibility.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_accessibility.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_views.h"
@@ skipping 27 matching lines @@
     string16 label = bundle.GetLocalizedString(
         IDS_ASH_STATUS_TRAY_DISABLE_SPOKEN_FEEDBACK);
     AddChildView(new views::Label(label));
     SetAccessibleName(label);
   }
 
   virtual ~DefaultAccessibilityView() {}
 
  protected:
   // Overridden from ActionableView.
-  virtual bool PerformAction(const views::Event& event) OVERRIDE {
+  virtual bool PerformAction(const ui::Event& event) OVERRIDE {
     if (Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled())
       Shell::GetInstance()->delegate()->ToggleSpokenFeedback();
     GetWidget()->Close();
     return true;
   }
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityView);
 };
@@ skipping 55 matching lines @@
 
   if (enabled) {
     PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
   } else if (detailed_) {
     detailed_->GetWidget()->Close();
   }
 }
 
 }  // namespace internal
 }  // namespace ash