Revert of Port Chromium OS touch noise filtering to Chromium

ui/events/ozone/evdev/touch_noise/touch_noise_finder.cc

Index: ui/events/ozone/evdev/touch_noise/touch_noise_finder.cc
diff --git a/ui/events/ozone/evdev/touch_noise/touch_noise_finder.cc b/ui/events/ozone/evdev/touch_noise/touch_noise_finder.cc
deleted file mode 100644
index a5995e333dd6eab13495f0bb2d80ea0069fe4db9..0000000000000000000000000000000000000000
--- a/ui/events/ozone/evdev/touch_noise/touch_noise_finder.cc
+++ /dev/null
@@ -1,41 +0,0 @@
-// 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.
-
-#include "ui/events/ozone/evdev/touch_noise/touch_noise_finder.h"
-
-#include "base/stl_util.h"
-#include "ui/events/ozone/evdev/touch_noise/far_apart_taps_touch_noise_filter.h"
-#include "ui/events/ozone/evdev/touch_noise/horizontally_aligned_touch_noise_filter.h"
-#include "ui/events/ozone/evdev/touch_noise/single_position_touch_noise_filter.h"
-#include "ui/events/ozone/evdev/touch_noise/touch_noise_filter.h"
-
-namespace ui {
-
-TouchNoiseFinder::TouchNoiseFinder() {
-  filters_.push_back(new FarApartTapsTouchNoiseFilter);
-  filters_.push_back(new HorizontallyAlignedTouchNoiseFilter);
-  filters_.push_back(new SinglePositionTouchNoiseFilter);
-}
-
-TouchNoiseFinder::~TouchNoiseFinder() {
-  STLDeleteElements(&filters_);
-}
-
-void TouchNoiseFinder::HandleTouches(
-    const std::vector<InProgressTouchEvdev>& touches,
-    base::TimeDelta time) {
-  for (const InProgressTouchEvdev& touch : touches) {
-    if (!touch.was_touching)
-      slots_with_noise_.set(touch.slot, false);
-  }
-
-  for (TouchNoiseFilter* filter : filters_)
-    filter->Filter(touches, time, &slots_with_noise_);
-}
-
-bool TouchNoiseFinder::SlotHasNoise(size_t slot) const {
-  return slots_with_noise_.test(slot);
-}
-
-}  // namespace ui