Replace views::Event with ui::Event.

ash/system/bluetooth/tray_bluetooth.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/bluetooth/tray_bluetooth.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 141 matching lines @@
       find = device_map_.find(sender);
       if (find != device_map_.end()) {
         std::string device_id = find->second;
         delegate->ToggleBluetoothConnection(device_id);
       }
     }
   }
 
   // Overridden from ButtonListener.
   virtual void ButtonPressed(views::Button* sender,
-                             const views::Event& event) OVERRIDE {
+                             const ui::Event& event) OVERRIDE {
     ash::SystemTrayDelegate* delegate =
         ash::Shell::GetInstance()->tray_delegate();
     if (sender == toggle_bluetooth_)
       delegate->ToggleBluetooth();
     else
       NOTREACHED();
   }
 
   user::LoginStatus login_;
 
@@ skipping 51 matching lines @@
   BluetoothDeviceList list;
   Shell::GetInstance()->tray_delegate()->GetAvailableBluetoothDevices(&list);
   if (default_)
     default_->UpdateLabel();
   else if (detailed_)
     detailed_->Update(list);
 }
 
 }  // namespace internal
 }  // namespace ash