chromeos: Move files in //ash/common to //ash

ash/common/accelerators/accelerator_router.h

-// Copyright 2016 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_ACCELERATOR_ROUTER_H_
-#define ASH_ACCELERATORS_ACCELERATOR_ROUTER_H_
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-#include "base/time/time.h"
-
-namespace ui {
-class Accelerator;
-class KeyEvent;
-}
-
-namespace ash {
-
-class WmWindow;
-
-// AcceleratorRouter does a minimal amount of processing before routing the
-// accelerator to the AcceleratorController. AcceleratorRouter may also decide
-// not to process certain accelerators.
-class ASH_EXPORT AcceleratorRouter {
- public:
-  AcceleratorRouter();
-  ~AcceleratorRouter();
-
-  // Returns true if event should be consumed. |target| is the target of the
-  // event.
-  bool ProcessAccelerator(WmWindow* target,
-                          const ui::KeyEvent& event,
-                          const ui::Accelerator& accelerator);
-
- private:
-  // Returns true if the window should be allowed a chance to handle
-  // system keys.
-  bool CanConsumeSystemKeys(WmWindow* target, const ui::KeyEvent& event);
-
-  // Returns true if the |accelerator| should be processed now.
-  bool ShouldProcessAcceleratorNow(WmWindow* target,
-                                   const ui::KeyEvent& event,
-                                   const ui::Accelerator& accelerator);
-
-  // Records a histogram on how long the "Search" key is held when a user
-  // presses an accelerator that involes the "Search" key.
-  void RecordSearchKeyStats(const ui::Accelerator& accelerator);
-
-  enum SearchKeyState { RELEASED = 0, PRESSED, RECORDED };
-  SearchKeyState search_key_state_ = RELEASED;
-  base::TimeTicks search_key_pressed_timestamp_;
-
-  DISALLOW_COPY_AND_ASSIGN(AcceleratorRouter);
-};
-
-}  // namespace ash
-
-#endif  // ASH_ACCELERATORS_ACCELERATOR_ROUTER_H_