Add time stamp to the constructor of the events

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

Index: third_party/WebKit/Source/core/input/PointerEventManager.cpp
diff --git a/third_party/WebKit/Source/core/input/PointerEventManager.cpp b/third_party/WebKit/Source/core/input/PointerEventManager.cpp
index 51501f37e039a2bf257d43cb321a63cd0b8543d6..fe244f31ed0a4738cab40fe98fbfb637dbba6220 100644
--- a/third_party/WebKit/Source/core/input/PointerEventManager.cpp
+++ b/third_party/WebKit/Source/core/input/PointerEventManager.cpp
@@ -33,15 +33,18 @@ 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;
@@ -236,7 +239,7 @@ void PointerEventManager::SetNodeUnderPointer(PointerEvent* pointer_event,
   }
 }
 
-void PointerEventManager::BlockTouchPointers() {
+void PointerEventManager::BlockTouchPointers(TimeTicks platform_time_stamp) {
   if (in_canceled_state_for_pointer_type_touch_)
     return;
   in_canceled_state_for_pointer_type_touch_ = true;
@@ -247,7 +250,8 @@ void PointerEventManager::BlockTouchPointers() {
   for (int pointer_id : touch_pointer_ids) {
     PointerEvent* pointer_event =
         pointer_event_factory_.CreatePointerCancelEvent(
-            pointer_id, WebPointerProperties::PointerType::kTouch);
+            pointer_id, WebPointerProperties::PointerType::kTouch,
+            platform_time_stamp);
 
     DCHECK(node_under_pointer_.Contains(pointer_id));
     EventTarget* target = node_under_pointer_.at(pointer_id).target;
@@ -280,7 +284,7 @@ WebInputEventResult PointerEventManager::HandleTouchEvents(
     const WebTouchEvent& event,
     const Vector<WebTouchEvent>& coalesced_events) {
   if (event.GetType() == WebInputEvent::kTouchScrollStarted) {
-    BlockTouchPointers();
+    BlockTouchPointers(TimeTicks::FromSeconds(event.TimeStampSeconds()));
     return WebInputEventResult::kHandledSystem;
   }
 
@@ -392,6 +396,7 @@ void PointerEventManager::DispatchTouchPointerEvents(
       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()