Convert Aura to use ui::Event.

ash/keyboard_overlay/keyboard_overlay_view.h

 // 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.
 
 #ifndef ASH_KEYBOARD_OVERLAY_KEYBOARD_OVERLAY_VIEW_H_
 #define ASH_KEYBOARD_OVERLAY_KEYBOARD_OVERLAY_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "ash/wm/overlay_event_filter.h"
 #include "base/compiler_specific.h"
@@ skipping 14 matching lines @@
     : public views::WebDialogView,
       public ash::internal::OverlayEventFilter::Delegate {
  public:
   KeyboardOverlayView(content::BrowserContext* context,
                       ui::WebDialogDelegate* delegate,
                       WebContentsHandler* handler);
   virtual ~KeyboardOverlayView();
 
   // Overridden from ash::internal::OverlayEventFilter::Delegate:
   virtual void Cancel() OVERRIDE;
-  virtual bool IsCancelingKeyEvent(aura::KeyEvent* event) OVERRIDE;
+  virtual bool IsCancelingKeyEvent(ui::KeyEvent* event) OVERRIDE;
   virtual aura::Window* GetWindow() OVERRIDE;
 
   // Shows the keyboard overlay.
   static void ShowDialog(content::BrowserContext* context,
                          WebContentsHandler* handler,
                          const GURL& url);
 
  private:
   // Overridden from views::WidgetDelegate:
   virtual void WindowClosing() OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardOverlayView);
 };
 
 #endif  // ASH_KEYBOARD_OVERLAY_KEYBOARD_OVERLAY_VIEW_H_