Worker: Provide a way to access parent frame task runners from a worker thread

third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.h

Index: third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.h
diff --git a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.h b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.h
index 2260d753cdd369fa97bfb86b73e1fe5e2c4ae526..63b3278ba043d5cdd23fde26a9bd78c7848707ad 100644
--- a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.h
+++ b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.h
@@ -127,6 +127,7 @@ class ServiceWorkerGlobalScopeProxy final
                             const String& message,
                             SourceLocation*) override;
   void postMessageToPageInspector(const String&) override;
+  ParentFrameTaskRunners* getParentFrameTaskRunners() override;
   void didCreateWorkerGlobalScope(WorkerOrWorkletGlobalScope*) override;
   void didInitializeWorkerContext() override;
   void willEvaluateWorkerScript(size_t scriptSize,
@@ -161,6 +162,8 @@ class ServiceWorkerGlobalScopeProxy final
   WebEmbeddedWorkerImpl* m_embeddedWorker;
   Member<Document> m_document;
 
+  Member<ParentFrameTaskRunners> m_parentFrameTaskRunners;
+
   HeapHashMap<int, Member<FetchEvent>> m_pendingPreloadFetchEvents;
 
   WebServiceWorkerContextClient* m_client;