Index: content/browser/renderer_host/render_widget_host_impl.cc |
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc |
index 03be3556d2d43d03df332d8b9e0e2e7f18d01bdd..21b2c5bd6329f3bd9af80cba59b9fca588b7d9c3 100644 |
--- a/content/browser/renderer_host/render_widget_host_impl.cc |
+++ b/content/browser/renderer_host/render_widget_host_impl.cc |
@@ -1364,6 +1364,8 @@ void RenderWidgetHostImpl::DidUpdateBackingStore( |
// On other platforms, this will be equivalent to MPArch.RWH_OnMsgUpdateRect. |
delta = now - paint_start; |
UMA_HISTOGRAM_TIMES("MPArch.RWH_TotalPaintTime", delta); |
+ UNSHIPPED_TRACE_EVENT_INSTANT1("test_latency", "UpdateRectComplete", |
+ "x+y", params.bitmap_rect.x() + params.bitmap_rect.y()); |
} |
void RenderWidgetHostImpl::OnMsgInputEventAck(WebInputEvent::Type event_type, |