Change ui::Event::time_stamp from TimeDelta to TimeTicks

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

 // 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/metrics/histogram_macros.h"
 #include "base/stl_util.h"
 #include "ui/events/event_utils.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() : last_noise_time_(ui::EventTimeForNow()) {
   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) {
+    base::TimeTicks time) {
   for (const InProgressTouchEvdev& touch : touches) {
     if (!touch.was_touching)
       slots_with_noise_.set(touch.slot, false);
   }
 
   bool had_noise = slots_with_noise_.any();
 
   for (TouchNoiseFilter* filter : filters_)
     filter->Filter(touches, time, &slots_with_noise_);
 
   RecordUMA(had_noise, time);
 }
 
 bool TouchNoiseFinder::SlotHasNoise(size_t slot) const {
   return slots_with_noise_.test(slot);
 }
 
-void TouchNoiseFinder::RecordUMA(bool had_noise, base::TimeDelta time) {
+void TouchNoiseFinder::RecordUMA(bool had_noise, base::TimeTicks time) {
   if (slots_with_noise_.any()) {
     if (!had_noise) {
       UMA_HISTOGRAM_LONG_TIMES(
           "Ozone.TouchNoiseFilter.TimeSinceLastNoiseOccurrence",
           time - last_noise_time_);
     }
 
     last_noise_time_ = time;
   }
 }
 
 }  // namespace ui