Revert 110637 - Add ShellAcceleratorController that manages global keyboard accelerators.

ui/aura_shell/shell_accelerator_controller.h

-// Copyright (c) 2011 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_AURA_SHELL_SHELL_ACCELERATOR_CONTROLLER_H_
-#define UI_AURA_SHELL_SHELL_ACCELERATOR_CONTROLLER_H_
-#pragma once
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/aura_shell/aura_shell_export.h"
-#include "ui/base/models/accelerator.h"
-
-namespace ui {
-class AcceleratorManager;
-}  // namespace ui
-
-namespace aura_shell {
-
-// ShellAcceleratorController provides functions for registering or
-// unregistering global keyboard accelerators, which are handled earlier than
-// any windows. It also implements several handlers as an accelerator target.
-class AURA_SHELL_EXPORT ShellAcceleratorController
-    : public ui::AcceleratorTarget {
- public:
-  ShellAcceleratorController();
-  virtual ~ShellAcceleratorController();
-
-  // Register a global keyboard accelerator for the specified target. If
-  // multiple targets are registered for an accelerator, a target registered
-  // later has higher priority.
-  void Register(const ui::Accelerator& accelerator,
-                ui::AcceleratorTarget* target);
-
-  // Unregister the specified keyboard accelerator for the specified target.
-  void Unregister(const ui::Accelerator& accelerator,
-                  ui::AcceleratorTarget* target);
-
-  // Unregister all keyboard accelerators for the specified target.
-  void UnregisterAll(ui::AcceleratorTarget* target);
-
-  // Activate the target associated with the specified accelerator.
-  // First, AcceleratorPressed handler of the most recently registered target
-  // is called, and if that handler processes the event (i.e. returns true),
-  // this method immediately returns. If not, we do the same thing on the next
-  // target, and so on.
-  // Returns true if an accelerator was activated.
-  bool Process(const ui::Accelerator& accelerator);
-
-  // Overridden from ui::AcceleratorTarget:
-  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
-
- private:
-  scoped_ptr<ui::AcceleratorManager> accelerator_manager_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShellAcceleratorController);
-};
-
-}  // namespace aura_shell
-
-#endif  // UI_AURA_SHELL_SHELL_ACCELERATOR_CONTROLLER_H_