Report LatencyInfo through trace buffer

content/browser/renderer_host/render_widget_host_view_win.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <InputScope.h>
 #include <wtsapi32.h>
 #pragma comment(lib, "wtsapi32.lib")
 
@@ skipping 1378 matching lines @@
     if (!web_contents_switch_paint_time_.is_null()) {
       TimeDelta web_contents_switch_paint_duration = TimeTicks::Now() -
           web_contents_switch_paint_time_;
       UMA_HISTOGRAM_TIMES("MPArch.RWH_TabSwitchPaintDuration",
           web_contents_switch_paint_duration);
       // Reset contents_switch_paint_time_ to 0 so future tab selections are
       // recorded.
       web_contents_switch_paint_time_ = TimeTicks();
     }
 
-    software_latency_info_.swap_timestamp = TimeTicks::HighResNow();
+    software_latency_info_.AddLatencyNumber(
+        ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0);
     render_widget_host_->FrameSwapped(software_latency_info_);
     software_latency_info_.Clear();
   } else {
     DrawBackground(paint_dc.m_ps.rcPaint, &paint_dc);
     if (whiteout_start_time_.is_null())
       whiteout_start_time_ = TimeTicks::Now();
   }
 }
 
 void RenderWidgetHostViewWin::DrawBackground(const RECT& dirty_rect,
@@ skipping 1773 matching lines @@
   return new RenderWidgetHostViewWin(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(
       WebKit::WebScreenInfo* results) {
   GetScreenInfoForWindow(0, results);
 }
 
 }  // namespace content