Report LatencyInfo through trace buffer

content/browser/renderer_host/input/touch_event_queue_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/renderer_host/input/mock_web_input_event_builders.h"
 #include "content/browser/renderer_host/input/touch_event_queue.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 25 matching lines @@
   }
 
   // TouchEventQueueClient
   virtual void SendTouchEventImmediately(
       const TouchEventWithLatencyInfo& event) OVERRIDE {
     ++sent_event_count_;
     last_sent_event_ = event.event;
   }
 
   virtual void OnTouchEventAck(
-      const TouchEventWithLatencyInfo& event,
-      InputEventAckState ack_result) OVERRIDE {
+      const WebKit::WebTouchEvent& event,
+      InputEventAckState ack_result,
+      ui::LatencyInfo* latency) OVERRIDE {
     ++acked_event_count_;
-    last_acked_event_ = event.event;
+    last_acked_event_ = event;
     last_acked_event_state_ = ack_result;
     if (followup_touch_event_) {
       scoped_ptr<WebTouchEvent> followup_touch_event =
           followup_touch_event_.Pass();
       SendTouchEvent(*followup_touch_event);
     }
   }
 
  protected:
 
   void SendTouchEvent(const WebTouchEvent& event) {
     queue_->QueueEvent(TouchEventWithLatencyInfo(event, ui::LatencyInfo()));
   }
 
   void SendTouchEvent() {
     SendTouchEvent(touch_event_);
     touch_event_.ResetPoints();
   }
 
   void SendTouchEventACK(InputEventAckState ack_result) {
-    queue_->ProcessTouchAck(ack_result, ui::LatencyInfo());
+    ui::LatencyInfo latency;
+    queue_->ProcessTouchAck(ack_result, &latency);
   }
 
   void SetFollowupEvent(const WebTouchEvent& event) {
     followup_touch_event_.reset(new WebTouchEvent(event));
   }
 
   int PressTouchPoint(int x, int y) {
     return touch_event_.PressPoint(x, y);
   }
 
@@ skipping 597 matching lines @@
   EXPECT_EQ(1U, GetAndResetAckedEventCount());
 
   ReleaseTouchPoint(0);
   SendTouchEvent();
   EXPECT_EQ(1U, GetAndResetSentEventCount());
   SendTouchEventACK(INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
   EXPECT_EQ(1U, GetAndResetAckedEventCount());
 }
 
 }  // namespace content