Replace views::Event with ui::Event.

ash/system/user/tray_user.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/user/tray_user.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_item_view.h"
@@ skipping 169 matching lines @@
     email_->SetFont(username_->font().DeriveFont(-1));
     email_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
     email_->SetEnabled(false);
     user->AddChildView(email_);
 
     user_info_->AddChildView(user);
   }
 
   // Overridden from views::ButtonListener.
   virtual void ButtonPressed(views::Button* sender,
-                             const views::Event& event) OVERRIDE {
+                             const ui::Event& event) OVERRIDE {
     CHECK(sender == signout_);
     ash::SystemTrayDelegate* tray = ash::Shell::GetInstance()->tray_delegate();
     tray->SignOut();
   }
 
   // Overridden from views::View.
   virtual gfx::Size GetPreferredSize() OVERRIDE {
     gfx::Size size;
     if (user_info_)
       size = user_info_->GetPreferredSize();
@@ skipping 99 matching lines @@
 }
 
 void TrayUser::OnUserUpdate() {
   avatar_->SetImage(
       ash::Shell::GetInstance()->tray_delegate()->GetUserImage(),
       gfx::Size(kUserIconSize, kUserIconSize));
 }
 
 }  // namespace internal
 }  // namespace ash