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

ash/accelerators/nested_accelerator_delegate.h

Index: ash/accelerators/nested_accelerator_delegate.h
diff --git a/ash/accelerators/nested_accelerator_delegate.h b/ash/accelerators/nested_accelerator_delegate.h
deleted file mode 100644
index 63bc4985ceab329083b92e076ac965dbf4cfde6a..0000000000000000000000000000000000000000
--- a/ash/accelerators/nested_accelerator_delegate.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2014 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_ACCELERATORS_NESTED_ACCELERATOR_DELEGATE_H_
-#define ASH_ACCELERATORS_NESTED_ACCELERATOR_DELEGATE_H_
-
-#include "base/macros.h"
-#include "ui/wm/core/nested_accelerator_delegate.h"
-
-namespace ash {
-
-class NestedAcceleratorDelegate : public wm::NestedAcceleratorDelegate {
- public:
-  NestedAcceleratorDelegate();
-  virtual ~NestedAcceleratorDelegate();
-
-  // wm::AcceleratorDispatcher::Delegate
-  virtual bool ShouldProcessEventNow(const ui::KeyEvent& key_event) OVERRIDE;
-  virtual bool ProcessEvent(const ui::KeyEvent& key_event) OVERRIDE;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NestedAcceleratorDelegate);
-};
-
-}  // namespace
-
-#endif  // ASH_ACCELERATORS_NESTED_ACCELERATOR_DELEGATE_H_