Worker: Introduce per-global-scope task scheduler

third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp

Index: third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp
diff --git a/third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp b/third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp
index b16a6cdb729746367a7dd353901a3c1600479c40..98a14b312b10af997f53c26d07a76878a665b785 100644
--- a/third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp
+++ b/third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp
@@ -7,6 +7,7 @@
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8PerIsolateData.h"
 #include "core/dom/ExecutionContext.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/workers/WorkerBackingThread.h"
 #include "core/workers/WorkerOrWorkletGlobalScope.h"
 #include "core/workers/WorkerThread.h"
@@ -70,9 +71,10 @@ void TimeZoneMonitorClient::OnTimeZoneChange(const String& timeZoneInfo) {
     // among multiple WorkerThreads.
     if (posted.contains(&thread->workerBackingThread()))
       continue;
-    thread->postTask(BLINK_FROM_HERE,
-                     crossThreadBind(&NotifyTimezoneChangeOnWorkerThread,
-                                     WTF::crossThreadUnretained(thread)));
+    TaskRunnerHelper::get(TaskType::Unthrottled, thread)
+        ->postTask(BLINK_FROM_HERE,
+                   crossThreadBind(&NotifyTimezoneChangeOnWorkerThread,
+                                   WTF::crossThreadUnretained(thread)));
     posted.insert(&thread->workerBackingThread());
   }
 }