Replace views::Event with ui::Event.

ash/wm/dialog_frame_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_WM_DIALOG_FRAME_VIEW_H_
 #define ASH_WM_DIALOG_FRAME_VIEW_H_
 
 #include "ui/views/controls/button/button.h"
 #include "ui/views/window/non_client_view.h"
 
@@ skipping 28 matching lines @@
   virtual void ResetWindowControls() OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
 
   // Overridden from View:
   virtual std::string GetClassName() const OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
-                             const views::Event& event) OVERRIDE;
+                             const ui::Event& event) OVERRIDE;
 
  private:
   gfx::Insets GetPaddingInsets() const;
   gfx::Insets GetClientInsets() const;
 
   gfx::Rect title_display_rect_;
 
   views::ImageButton* close_button_;
 
   DISALLOW_COPY_AND_ASSIGN(DialogFrameView);
 };
 
 }  // namespace internal
 }  // namespace views
 
 #endif  // ASH_WM_DIALOG_FRAME_VIEW_H_