Revert of Port Chromium OS touch noise filtering to Chromium

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

Index: ui/events/ozone/evdev/touch_noise/horizontally_aligned_touch_noise_filter.cc
diff --git a/ui/events/ozone/evdev/touch_noise/horizontally_aligned_touch_noise_filter.cc b/ui/events/ozone/evdev/touch_noise/horizontally_aligned_touch_noise_filter.cc
deleted file mode 100644
index def0af898ca0f0c20a560b2d8c114250f3edc8cb..0000000000000000000000000000000000000000
--- a/ui/events/ozone/evdev/touch_noise/horizontally_aligned_touch_noise_filter.cc
+++ /dev/null
@@ -1,46 +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/horizontally_aligned_touch_noise_filter.h"
-
-#include <cmath>
-
-#include "base/logging.h"
-#include "base/strings/stringprintf.h"
-
-namespace ui {
-
-namespace {
-
-// The maximum horizontal distance between touches considered aligned.
-int kMaxDistance = 3;
-
-}  // namespace
-
-void HorizontallyAlignedTouchNoiseFilter::Filter(
-    const std::vector<InProgressTouchEvdev>& touches,
-    base::TimeDelta time,
-    std::bitset<kNumTouchEvdevSlots>* slots_with_noise) {
-  for (const InProgressTouchEvdev& touch : touches) {
-    // Only consider new touches.
-    if (!touch.touching || touch.was_touching)
-      continue;
-
-    // Check if within kMaxDistance of an existing touch.
-    for (const InProgressTouchEvdev& other_touch : touches) {
-      if (touch.slot == other_touch.slot || !other_touch.touching)
-        continue;
-      if (std::abs(other_touch.x - touch.x) <= kMaxDistance) {
-        VLOG(2) << base::StringPrintf(
-            "Cancel tracking id %d, down at %ld at %f,%f near touch %d at "
-            "%f,%f",
-            touch.tracking_id, time.ToInternalValue(), touch.x, touch.y,
-            other_touch.tracking_id, other_touch.x, other_touch.y);
-        slots_with_noise->set(touch.slot);
-      }
-    }
-  }
-}
-
-}  // namespace ui