Adding Event.Latency.Browser.WheelUI, Passing latency_info to ProcessMouse/MouseWheelEvent functions

content/browser/renderer_host/render_widget_host_input_event_router.cc

Index: content/browser/renderer_host/render_widget_host_input_event_router.cc
diff --git a/content/browser/renderer_host/render_widget_host_input_event_router.cc b/content/browser/renderer_host/render_widget_host_input_event_router.cc
index e1d4f1c539ddf18143c28aba58ba97f8180f04c3..6ee2b5403b413dd373e3660880b58dc505292018 100644
--- a/content/browser/renderer_host/render_widget_host_input_event_router.cc
+++ b/content/browser/renderer_host/render_widget_host_input_event_router.cc
@@ -142,8 +142,10 @@ void RenderWidgetHostInputEventRouter::RouteMouseEvent(
 
   event->x = transformed_point.x();
   event->y = transformed_point.y();
-
-  target->ProcessMouseEvent(*event);
+  // TODO(wjmaclean): Initialize latency info correctly for OOPIFs.
+  // https://crbug.com/613628
+  ui::LatencyInfo latency_info;
+  target->ProcessMouseEvent(*event, latency_info);
 }
 
 void RenderWidgetHostInputEventRouter::RouteMouseWheelEvent(
@@ -157,8 +159,10 @@ void RenderWidgetHostInputEventRouter::RouteMouseWheelEvent(
 
   event->x = transformed_point.x();
   event->y = transformed_point.y();
-
-  target->ProcessMouseWheelEvent(*event);
+  // TODO(wjmaclean): Initialize latency info correctly for OOPIFs.
+  // https://crbug.com/613628
+  ui::LatencyInfo latency_info;
+  target->ProcessMouseWheelEvent(*event, latency_info);
 }
 
 void RenderWidgetHostInputEventRouter::RouteGestureEvent(