Add time stamp to the constructor of the events

third_party/WebKit/Source/core/input/PointerEventManager.cpp

 // Copyright 2016 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 "core/input/PointerEventManager.h"
 
 #include "core/dom/DocumentUserGestureToken.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/shadow/FlatTreeTraversal.h"
 #include "core/events/MouseEvent.h"
@@ skipping 15 matching lines @@
 namespace {
 
 size_t ToPointerTypeIndex(WebPointerProperties::PointerType t) {
   return static_cast<size_t>(t);
 }
 
 bool IsInDocument(EventTarget* n) {
   return n && n->ToNode() && n->ToNode()->isConnected();
 }
 
-Vector<WebTouchPoint> GetCoalescedPoints(
+Vector<std::pair<WebTouchPoint, TimeTicks>> GetCoalescedPoints(
     const Vector<WebTouchEvent>& coalesced_events,
     int id) {
-  Vector<WebTouchPoint> related_points;
+  Vector<std::pair<WebTouchPoint, TimeTicks>> related_points;
   for (const auto& touch_event : coalesced_events) {
     for (unsigned i = 0; i < touch_event.touches_length; ++i) {
       if (touch_event.touches[i].id == id &&
-          touch_event.touches[i].state != WebTouchPoint::kStateStationary)
-        related_points.push_back(touch_event.TouchPointInRootFrame(i));
+          touch_event.touches[i].state != WebTouchPoint::kStateStationary) {
+        related_points.push_back(std::pair<WebTouchPoint, TimeTicks>(
+            touch_event.TouchPointInRootFrame(i),
+            TimeTicks::FromSeconds(touch_event.TimeStampSeconds())));
+      }
     }
   }
   return related_points;
 }
 
 }  // namespace
 
 PointerEventManager::PointerEventManager(LocalFrame& frame,
                                          MouseEventManager& mouse_event_manager)
     : frame_(frame),
@@ skipping 330 matching lines @@
   // required.
   for (auto touch_info : touch_infos) {
     const WebTouchPoint& touch_point = touch_info.point;
     // Do not send pointer events for stationary touches or null targetFrame
     if (touch_info.touch_node && touch_info.target_frame &&
         touch_point.state != WebTouchPoint::kStateStationary &&
         !in_canceled_state_for_pointer_type_touch_) {
       PointerEvent* pointer_event = pointer_event_factory_.Create(
           touch_point, GetCoalescedPoints(coalesced_events, touch_point.id),
           static_cast<WebInputEvent::Modifiers>(event.GetModifiers()),
+          TimeTicks::FromSeconds(event.TimeStampSeconds()),
           touch_info.target_frame,
           touch_info.touch_node
               ? touch_info.touch_node->GetDocument().domWindow()
               : nullptr);
 
       WebInputEventResult result =
           SendTouchPointerEvent(touch_info.touch_node, pointer_event);
 
       // If a pointerdown has been canceled, queue the unique id to allow
       // suppressing mouse events from gesture events. For mouse events
@@ skipping 306 matching lines @@
     if (first_id > unique_touch_event_id)
       return false;
     touch_ids_for_canceled_pointerdowns_.TakeFirst();
     if (first_id == unique_touch_event_id)
       return true;
   }
   return false;
 }
 
 }  // namespace blink