Report LatencyInfo through trace buffer

content/browser/renderer_host/input/buffered_input_router.cc

Index: content/browser/renderer_host/input/buffered_input_router.cc
diff --git a/content/browser/renderer_host/input/buffered_input_router.cc b/content/browser/renderer_host/input/buffered_input_router.cc
index 97b565311d52fd8d1f3e49585d7d029f28004732..919201e7c75dc2d521d4fbb92ef0049d3ae1eac7 100644
--- a/content/browser/renderer_host/input/buffered_input_router.cc
+++ b/content/browser/renderer_host/input/buffered_input_router.cc
@@ -228,7 +228,9 @@ void BufferedInputRouter::OnWebInputEventAck(
     // HandleKeyboardEvent destroys this BufferedInputRouter).
   } else if (web_event.type == WebInputEvent::MouseWheel) {
     ack_handler_->OnWheelEventAck(
-        static_cast<const WebMouseWheelEvent&>(web_event), acked_result);
+        MouseWheelEventWithLatencyInfo(
+            static_cast<const WebMouseWheelEvent&>(web_event), latency_info),
+        acked_result);
   } else if (WebInputEvent::isTouchEventType(web_event.type)) {
     if (ack_from_input_queue) {
       DCHECK_GT(queued_touch_count_, 0);
@@ -240,7 +242,9 @@ void BufferedInputRouter::OnWebInputEventAck(
         acked_result);
   } else if (WebInputEvent::isGestureEventType(web_event.type)) {
     ack_handler_->OnGestureEventAck(
-        static_cast<const WebGestureEvent&>(web_event), acked_result);
+        GestureEventWithLatencyInfo(
+            static_cast<const WebGestureEvent&>(web_event), latency_info),
+        acked_result);
   } else
     NOTREACHED() << "Unexpected WebInputEvent in OnWebInputEventAck";
 }