Trace frame_time for SendBeginFrame

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index f7792515049354977814420756bce4ae4d99d0ec..c477928a7e20ca7f7c5650631dcba69285d110ec 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1319,7 +1319,8 @@ void RenderWidgetHostViewAndroid::StopObservingRootWindow() {
 
 void RenderWidgetHostViewAndroid::SendBeginFrame(base::TimeTicks frame_time,
                                                  base::TimeDelta vsync_period) {
-  TRACE_EVENT0("cc", "RenderWidgetHostViewAndroid::SendBeginFrame");
+  TRACE_EVENT1("cc", "RenderWidgetHostViewAndroid::SendBeginFrame",
+               "frame_time_us", frame_time.ToInternalValue());
   base::TimeTicks display_time = frame_time + vsync_period;
 
   // TODO(brianderson): Use adaptive draw-time estimation.