Oilpan: fix WorkerThreadStartupData finalization handling.

Source/web/WebSharedWorkerImpl.cpp

Index: Source/web/WebSharedWorkerImpl.cpp
diff --git a/Source/web/WebSharedWorkerImpl.cpp b/Source/web/WebSharedWorkerImpl.cpp
index 593d770494c62f1941b591e4343b2b8ecb0495ad..f611ceeb6198d34ca280970ec452b1ce26eb7172 100644
--- a/Source/web/WebSharedWorkerImpl.cpp
+++ b/Source/web/WebSharedWorkerImpl.cpp
@@ -415,7 +415,7 @@ void WebSharedWorkerImpl::onScriptLoaderFinished()
     provideLocalFileSystemToWorker(workerClients.get(), LocalFileSystemClient::create());
     WebSecurityOrigin webSecurityOrigin(m_loadingDocument->securityOrigin());
     provideContentSettingsClientToWorker(workerClients.get(), adoptPtr(client()->createWorkerContentSettingsClientProxy(webSecurityOrigin)));
-    OwnPtrWillBeRawPtr<WorkerThreadStartupData> startupData = WorkerThreadStartupData::create(m_url, m_loadingDocument->userAgent(m_url), m_mainScriptLoader->script(), nullptr, startMode, m_contentSecurityPolicy, static_cast<ContentSecurityPolicyHeaderType>(m_policyType), starterOrigin, workerClients.release());
+    OwnPtr<WorkerThreadStartupData> startupData = WorkerThreadStartupData::create(m_url, m_loadingDocument->userAgent(m_url), m_mainScriptLoader->script(), nullptr, startMode, m_contentSecurityPolicy, static_cast<ContentSecurityPolicyHeaderType>(m_policyType), starterOrigin, workerClients.release());
     m_loaderProxy = WorkerLoaderProxy::create(this);
     setWorkerThread(SharedWorkerThread::create(m_name, m_loaderProxy, *this, startupData.release()));
     InspectorInstrumentation::scriptImported(m_loadingDocument.get(), m_mainScriptLoader->identifier(), m_mainScriptLoader->script());