Revert of Port Chromium OS touch noise filtering to Chromium

ui/events/ozone/evdev/touch_noise/far_apart_taps_touch_noise_filter.h

-// Copyright 2015 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_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_
-#define UI_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_
-
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "ui/events/ozone/evdev/touch_noise/touch_noise_filter.h"
-
-namespace ui {
-
-class FarApartTapsTouchNoiseFilter : public TouchNoiseFilter {
-public:
-  FarApartTapsTouchNoiseFilter() {}
-  ~FarApartTapsTouchNoiseFilter() override {}
-
-  // TouchNoiseFilter:
-  void Filter(const std::vector<InProgressTouchEvdev>& touches,
-              base::TimeDelta time,
-              std::bitset<kNumTouchEvdevSlots>* slots_with_noise) override;
-
-private:
-  struct Tap {
-    Tap() : x(0), y(0) {}
-    Tap(base::TimeDelta start, int x, int y)
-        : start(start), x(x), y(y) {}
-
-    bool is_valid() const { return start != base::TimeDelta(); }
-    void Invalidate() { start = base::TimeDelta(); }
-
-    base::TimeDelta start;
-    float x;
-    float y;
-  };
-
-  // Tracks in progress taps in slots.
-  Tap tracked_taps_[kNumTouchEvdevSlots];
-
-  DISALLOW_COPY_AND_ASSIGN(FarApartTapsTouchNoiseFilter);
-};
-
-}  // namespace ui
-
-#endif  // UI_EVENTS_OZONE_EVDEV_TOUCH_NOISE_FAR_APART_TAPS_TOUCH_NOISE_FILTER_H_