[Fetch API] Remove HandleScope to protect local handles

third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index c664b86f812d080e1168cc66fbed4dd6aaa652ed..abfa8f85f7898f49e6f46faad8a9ec90756846cd 100644
--- a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -133,6 +133,7 @@ void ServiceWorkerGlobalScopeProxy::dispatchExtendableMessageEvent(int eventID,
 
 void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(int responseID, int eventFinishID, const WebServiceWorkerRequest& webRequest)
 {
+    ScriptState::Scope scope(workerGlobalScope()->scriptController()->getScriptState());
     WaitUntilObserver* waitUntilObserver = WaitUntilObserver::create(workerGlobalScope(), WaitUntilObserver::Fetch, eventFinishID);
     RespondWithObserver* respondWithObserver = RespondWithObserver::create(workerGlobalScope(), responseID, webRequest.url(), webRequest.mode(), webRequest.frameType(), webRequest.requestContext(), waitUntilObserver);
     Request* request = Request::create(workerGlobalScope()->scriptController()->getScriptState(), webRequest);
@@ -153,6 +154,7 @@ void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(int responseID, int event
 
 void ServiceWorkerGlobalScopeProxy::dispatchForeignFetchEvent(int responseID, int eventFinishID, const WebServiceWorkerRequest& webRequest)
 {
+    ScriptState::Scope scope(workerGlobalScope()->scriptController()->getScriptState());
     RefPtr<SecurityOrigin> origin = SecurityOrigin::create(webRequest.referrerUrl());
     WaitUntilObserver* waitUntilObserver = WaitUntilObserver::create(workerGlobalScope(), WaitUntilObserver::Fetch, eventFinishID);
     ForeignFetchRespondWithObserver* respondWithObserver = ForeignFetchRespondWithObserver::create(workerGlobalScope(), responseID, webRequest.url(), webRequest.mode(), webRequest.frameType(), webRequest.requestContext(), origin, waitUntilObserver);