Revert of Port Chromium OS touch noise filtering to Chromium

ui/events/ozone/evdev/touch_evdev_types.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_EVDEV_TYPES_H_
-#define UI_EVENTS_OZONE_EVDEV_TOUCH_EVDEV_TYPES_H_
-
-#include "base/basictypes.h"
-#include "ui/events/event_constants.h"
-#include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
-
-namespace ui {
-
-// Number of supported touch slots. ABS_MT_SLOT messages with
-// value >= kNumTouchEvdevSlots are ignored.
-const int kNumTouchEvdevSlots = 20;
-
-// Contains information about an in progress touch.
-struct EVENTS_OZONE_EVDEV_EXPORT InProgressTouchEvdev {
-  InProgressTouchEvdev();
-  ~InProgressTouchEvdev();
-
-  // Whether there is new information for the touch.
-  bool altered;
-
-  // Whether the touch was cancelled. Touch events should be ignored till a
-  // new touch is initiated.
-  bool cancelled;
-
-  bool was_touching;
-  bool touching;
-  float x;
-  float y;
-  int tracking_id;
-  size_t slot;
-  float radius_x;
-  float radius_y;
-  float pressure;
-};
-
-}  // namespace ui
-
-#endif  // UI_EVENTS_OZONE_EVDEV_TOUCH_EVDEV_TYPES_H_