aura: Remove client::UserActionClient.

chrome/browser/ui/views/frame/desktop_browser_frame_aura.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 CHROME_BROWSER_UI_VIEWS_FRAME_DESKTOP_BROWSER_FRAME_AURA_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_DESKTOP_BROWSER_FRAME_AURA_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/views/frame/native_browser_frame.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 
 class BrowserDesktopWindowTreeHost;
 class BrowserFrame;
 class BrowserView;
 
-namespace aura {
-namespace client {
-class UserActionClient;
-}
-}
-
 namespace views {
 namespace corewm {
 class VisibilityController;
 }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopBrowserFrameAura
 //
 //  DesktopBrowserFrameAura is a DesktopNativeWidgetAura subclass that provides
@@ skipping 22 matching lines @@
   virtual int GetMinimizeButtonOffset() const OVERRIDE;
 
  private:
   // The BrowserView is our ClientView. This is a pointer to it.
   BrowserView* browser_view_;
   BrowserFrame* browser_frame_;
 
   // Owned by the RootWindow.
   BrowserDesktopWindowTreeHost* browser_desktop_window_tree_host_;
 
-  scoped_ptr<aura::client::UserActionClient> user_action_client_;
   scoped_ptr<views::corewm::VisibilityController> visibility_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopBrowserFrameAura);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_DESKTOP_BROWSER_FRAME_AURA_H_