aura: Remove client::UserActionClient.

chrome/browser/ui/views/frame/browser_frame.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_BROWSER_FRAME_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/prefs/pref_member.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/widget/widget.h"
 
 class AvatarMenuButton;
 class BrowserRootView;
 class BrowserView;
 class NativeBrowserFrame;
 class NewAvatarButton;
 class NonClientFrameView;
 class SystemMenuModelBuilder;
 
 namespace gfx {
 class FontList;
 class Rect;
 }
 
 namespace ui {
+class EventHandler;
 class MenuModel;
 class ThemeProvider;
 }
 
 namespace views {
 class MenuRunner;
 class View;
 }
 
 // This is a virtual interface that allows system specific browser frames.
@@ skipping 91 matching lines @@
   // SetThemeProvider() triggers setting both |owned_theme_provider_| and
   // |theme_provider_|. Initially |theme_provider_| is set to the ThemeService
   // and |owned_theme_provider_| is NULL (as ThemeServices lifetime is managed
   // externally).
   scoped_ptr<ui::ThemeProvider> owned_theme_provider_;
   ui::ThemeProvider* theme_provider_;
 
   // Whether the custom Chrome frame preference is set.
   BooleanPrefMember use_custom_frame_pref_;
 
+  scoped_ptr<ui::EventHandler> browser_command_handler_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserFrame);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_