Oilpan: move core/workers to oilpan's heap.

Source/web/WebEmbeddedWorkerImpl.cpp

Index: Source/web/WebEmbeddedWorkerImpl.cpp
diff --git a/Source/web/WebEmbeddedWorkerImpl.cpp b/Source/web/WebEmbeddedWorkerImpl.cpp
index dc692bc3cf5f36dbcdbd0432c74ab99b79fbce80..fff37fdd492400d7c2f4c3040a359751267a925b 100644
--- a/Source/web/WebEmbeddedWorkerImpl.cpp
+++ b/Source/web/WebEmbeddedWorkerImpl.cpp
@@ -47,6 +47,7 @@
 #include "core/workers/WorkerScriptLoader.h"
 #include "core/workers/WorkerScriptLoaderClient.h"
 #include "core/workers/WorkerThreadStartupData.h"
+#include "heap/Handle.h"
 #include "modules/serviceworkers/ServiceWorkerThread.h"
 #include "platform/NotImplemented.h"
 #include "platform/SharedBuffer.h"
@@ -96,7 +97,7 @@ private:
     {
     }
 
-    RefPtr<WorkerScriptLoader> m_scriptLoader;
+    RefPtrWillBePersistent<WorkerScriptLoader> m_scriptLoader;
     Closure m_callback;
 };
 
@@ -236,7 +237,7 @@ void WebEmbeddedWorkerImpl::onScriptLoaderFinished()
     providePermissionClientToWorker(workerClients.get(), m_permissionClient.release());
     provideServiceWorkerGlobalScopeClientToWorker(workerClients.get(), ServiceWorkerGlobalScopeClientImpl::create(m_workerContextClient.release()));
 
-    OwnPtr<WorkerThreadStartupData> startupData =
+    OwnPtrWillBeRawPtr<WorkerThreadStartupData> startupData =
         WorkerThreadStartupData::create(
             m_mainScriptLoader->url(),
             m_workerStartData.userAgent,