chromeos: Move files in //ash/common to //ash, part 2

ash/common/metrics/pointer_metrics_recorder.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 UI_ASH_COMMON_METRICS_POINTER_METRICS_RECORDER_H_
-#define UI_ASH_COMMON_METRICS_POINTER_METRICS_RECORDER_H_
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-#include "ui/views/pointer_watcher.h"
-
-namespace gfx {
-class Point;
-}
-
-namespace ui {
-class PointerEvent;
-}
-
-namespace ash {
-
-// A metrics recorder that records pointer related metrics.
-class ASH_EXPORT PointerMetricsRecorder : public views::PointerWatcher {
- public:
-  PointerMetricsRecorder();
-  ~PointerMetricsRecorder() override;
-
-  // views::PointerWatcher:
-  void OnPointerEventObserved(const ui::PointerEvent& event,
-                              const gfx::Point& location_in_screen,
-                              views::Widget* target) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(PointerMetricsRecorder);
-};
-
-}  // namespace ash
-
-#endif  // UI_ASH_COMMON_METRICS_POINTER_METRICS_RECORDER_H_