Add an api to disable recording task delay histogrames

third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.cc

Index: third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.cc b/third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.cc
index f33bffaae49ef0ce5fa2f3b9654fbb1ff54412e6..a7bea780d6eeef26fb78f236670757758501245c 100644
--- a/third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.cc
+++ b/third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.cc
@@ -55,6 +55,15 @@ void SchedulerHelper::Shutdown() {
   task_queue_manager_delegate_->RestoreDefaultTaskRunner();
 }
 
+void SchedulerHelper::SetRecordTaskDelayHistograms(
+    bool record_task_delay_histograms) {
+  if (!task_queue_manager_)
+    return;
+
+  task_queue_manager_->SetRecordTaskDelayHistograms(
+      record_task_delay_histograms);
+}
+
 scoped_refptr<TaskQueue> SchedulerHelper::NewTaskQueue(
     const TaskQueue::Spec& spec) {
   DCHECK(task_queue_manager_.get());