Report LatencyInfo through trace buffer

content/browser/renderer_host/input/immediate_input_router.h

Index: content/browser/renderer_host/input/immediate_input_router.h
diff --git a/content/browser/renderer_host/input/immediate_input_router.h b/content/browser/renderer_host/input/immediate_input_router.h
index 1d1a0c0e168d3eb8814a1809b3e4575ea72f0504..ba50b493089784dc2def3dc78d12be60d544b7b2 100644
--- a/content/browser/renderer_host/input/immediate_input_router.h
+++ b/content/browser/renderer_host/input/immediate_input_router.h
@@ -118,12 +118,15 @@ private:
   // Called by ProcessInputEventAck() to process a wheel event ack message.
   // This could result in a task being posted to allow additional wheel
   // input messages to be coalesced.
-  void ProcessWheelAck(InputEventAckState ack_result);
+  void ProcessWheelAck(InputEventAckState ack_result,
+                       const ui::LatencyInfo& latency_info);
 
   // Called by ProcessInputEventAck() to process a gesture event ack message.
   // This validates the gesture for suppression of touchpad taps and sends one
   // previously queued coalesced gesture if it exists.
-  void ProcessGestureAck(int type, InputEventAckState ack_result);
+  void ProcessGestureAck(int type,
+                         InputEventAckState ack_result,
+                         const ui::LatencyInfo& latency);
 
   // Called on ProcessInputEventAck() to process a touch event ack message.
   // This can result in a gesture event being generated and sent back to the