aura: Remove client::UserActionClient.

chrome/browser/ui/ash/user_action_handler.h

Index: chrome/browser/ui/ash/user_action_handler.h
diff --git a/chrome/browser/ui/ash/user_action_handler.h b/chrome/browser/ui/ash/user_action_handler.h
deleted file mode 100644
index ac3f7f07023e6f6273c5d9496b106c9bcf0c9b73..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/ash/user_action_handler.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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_ASH_USER_ACTION_HANDLER_H_
-#define CHROME_BROWSER_UI_ASH_USER_ACTION_HANDLER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/aura/client/user_action_client.h"
-
-class UserActionHandler : public aura::client::UserActionClient {
- public:
-  UserActionHandler();
-  virtual ~UserActionHandler();
-
-  // aura::client::UserActionClient overrides:
-  virtual bool OnUserAction(
-      aura::client::UserActionClient::Command command) OVERRIDE;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(UserActionHandler);
-};
-
-#endif  // CHROME_BROWSER_UI_ASH_USER_ACTION_HANDLER_H_