Revert of Refactor and move ash independent nested accelerator code to ui/wm/core

ui/wm/core/nested_accelerator_controller.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 UI_WM_CORE_NESTED_ACCELERATOR_CONTROLLER_H_
-#define UI_WM_CORE_NESTED_ACCELERATOR_CONTROLLER_H_
-
-#include "base/callback.h"
-#include "base/message_loop/message_loop.h"
-#include "ui/wm/public/dispatcher_client.h"
-#include "ui/wm/wm_export.h"
-
-namespace wm {
-
-class NestedAcceleratorDelegate;
-class NestedAcceleratorDispatcher;
-
-// Creates a dispatcher which wraps another dispatcher.
-// The outer dispatcher runs first and performs ash specific handling.
-// If it does not consume the event it forwards the event to the nested
-// dispatcher.
-class WM_EXPORT NestedAcceleratorController
-    : public aura::client::DispatcherClient {
- public:
-  explicit NestedAcceleratorController(NestedAcceleratorDelegate* delegate);
-  virtual ~NestedAcceleratorController();
-
-  // aura::client::DispatcherClient:
-  virtual void RunWithDispatcher(
-      base::MessagePumpDispatcher* dispatcher) OVERRIDE;
-  virtual void QuitNestedMessageLoop() OVERRIDE;
-
- private:
-  base::Closure quit_closure_;
-  scoped_ptr<NestedAcceleratorDispatcher> accelerator_dispatcher_;
-  scoped_ptr<NestedAcceleratorDelegate> dispatcher_delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(NestedAcceleratorController);
-};
-
-}  // namespace wm
-
-#endif  // UI_WM_CORE_NESTED_ACCELERATOR_CONTROLLER_H_