scheduler: Emit a normal instant trace event when blocking tasks

components/scheduler/renderer/renderer_scheduler_impl.cc

Index: components/scheduler/renderer/renderer_scheduler_impl.cc
diff --git a/components/scheduler/renderer/renderer_scheduler_impl.cc b/components/scheduler/renderer/renderer_scheduler_impl.cc
index 91069dec8559003111c43b5d68210d33c7255bdf..e8c65259027bae33f373e2d8f179cb607ad18e77 100644
--- a/components/scheduler/renderer/renderer_scheduler_impl.cc
+++ b/components/scheduler/renderer/renderer_scheduler_impl.cc
@@ -1169,7 +1169,9 @@ void RendererSchedulerImpl::OnTriedToExecuteBlockedTask(
   if (!MainThreadOnly().have_reported_blocking_intervention_in_current_policy) {
     MainThreadOnly().have_reported_blocking_intervention_in_current_policy =
         true;
-    TRACE_TASK_EXECUTION("RendererSchedulerImpl::TaskBlocked", task);
+    TRACE_EVENT_INSTANT0("renderer.scheduler",
+                         "RendererSchedulerImpl::TaskBlocked",
+                         TRACE_EVENT_SCOPE_THREAD);
   }
 
   if (!MainThreadOnly().have_reported_blocking_intervention_since_navigation) {