Report LatencyInfo through trace buffer

content/browser/renderer_host/input/mock_input_ack_handler.cc

Index: content/browser/renderer_host/input/mock_input_ack_handler.cc
diff --git a/content/browser/renderer_host/input/mock_input_ack_handler.cc b/content/browser/renderer_host/input/mock_input_ack_handler.cc
index cda000551d271655cc28c8db05efd74afbe23ad4..f936aa2d928677a56b409e13322709483565fb3c 100644
--- a/content/browser/renderer_host/input/mock_input_ack_handler.cc
+++ b/content/browser/renderer_host/input/mock_input_ack_handler.cc
@@ -35,17 +35,19 @@ void MockInputAckHandler::OnKeyboardEventAck(
 
 void MockInputAckHandler::OnWheelEventAck(
     const WebMouseWheelEvent& event,
-    InputEventAckState ack_result)  {
+    InputEventAckState ack_result,
+    ui::LatencyInfo* latency) {
   VLOG(1) << __FUNCTION__ << " called!";
   acked_wheel_event_ = event;
   RecordAckCalled(ack_result);
 }
 
 void MockInputAckHandler::OnTouchEventAck(
-    const TouchEventWithLatencyInfo& event,
-    InputEventAckState ack_result)  {
+    const WebTouchEvent& event,
+    InputEventAckState ack_result,
+    ui::LatencyInfo* latency) {
   VLOG(1) << __FUNCTION__ << " called!";
-  acked_touch_event_ = event;
+  acked_touch_event_ = TouchEventWithLatencyInfo(event, *latency);
   RecordAckCalled(ack_result);
   if (touch_followup_event_)
     input_router_->SendTouchEvent(*touch_followup_event_);
@@ -55,7 +57,8 @@ void MockInputAckHandler::OnTouchEventAck(
 
 void MockInputAckHandler::OnGestureEventAck(
     const WebGestureEvent& event,
-    InputEventAckState ack_result)  {
+    InputEventAckState ack_result,
+    ui::LatencyInfo* latency) {
   VLOG(1) << __FUNCTION__ << " called!";
   acked_gesture_event_ = event;
   RecordAckCalled(ack_result);