Report LatencyInfo through trace buffer

content/browser/renderer_host/input/mock_input_ack_handler.h

Index: content/browser/renderer_host/input/mock_input_ack_handler.h
diff --git a/content/browser/renderer_host/input/mock_input_ack_handler.h b/content/browser/renderer_host/input/mock_input_ack_handler.h
index 4a51f9dd105786679331bebb759bb7307839626d..23eaab7790aa1cbdf78813a4e963758a675eb4a3 100644
--- a/content/browser/renderer_host/input/mock_input_ack_handler.h
+++ b/content/browser/renderer_host/input/mock_input_ack_handler.h
@@ -21,11 +21,14 @@ class MockInputAckHandler : public InputAckHandler {
   virtual void OnKeyboardEventAck(const NativeWebKeyboardEvent& event,
                                   InputEventAckState ack_result) OVERRIDE;
   virtual void OnWheelEventAck(const WebKit::WebMouseWheelEvent& event,
-                               InputEventAckState ack_result) OVERRIDE;
-  virtual void OnTouchEventAck(const TouchEventWithLatencyInfo& event,
-                               InputEventAckState ack_result) OVERRIDE;
+                               InputEventAckState ack_result,
+                               ui::LatencyInfo* latency) OVERRIDE;
+  virtual void OnTouchEventAck(const WebKit::WebTouchEvent& event,
+                               InputEventAckState ack_result,
+                               ui::LatencyInfo* latency) OVERRIDE;
   virtual void OnGestureEventAck(const WebKit::WebGestureEvent& event,
-                                 InputEventAckState ack_result) OVERRIDE;
+                                 InputEventAckState ack_result,
+                                 ui::LatencyInfo* latency) OVERRIDE;
   virtual void OnUnexpectedEventAck(UnexpectedEventAckType type) OVERRIDE;
 
   void ExpectAckCalled(int times);