Oilpan: move WorkerThreadStartupData to the oilpan heap.

Source/core/workers/DedicatedWorkerThread.h

Index: Source/core/workers/DedicatedWorkerThread.h
diff --git a/Source/core/workers/DedicatedWorkerThread.h b/Source/core/workers/DedicatedWorkerThread.h
index 243307b633d3aee58e2190ee0247a58cc0613898..ade57284a81f799451b04578828b90e0ec7b436c 100644
--- a/Source/core/workers/DedicatedWorkerThread.h
+++ b/Source/core/workers/DedicatedWorkerThread.h
@@ -36,20 +36,20 @@
 namespace WebCore {
 
 class WorkerObjectProxy;
-struct WorkerThreadStartupData;
+class WorkerThreadStartupData;
 
 class DedicatedWorkerThread FINAL : public WorkerThread {
 public:
-    static PassRefPtr<DedicatedWorkerThread> create(WorkerLoaderProxy&, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerThreadStartupData>);
+    static PassRefPtr<DedicatedWorkerThread> create(WorkerLoaderProxy&, WorkerObjectProxy&, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
     WorkerObjectProxy& workerObjectProxy() const { return m_workerObjectProxy; }
     virtual ~DedicatedWorkerThread();
 
 protected:
-    virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) OVERRIDE;
+    virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>) OVERRIDE;
     virtual void runEventLoop() OVERRIDE;
 
 private:
-    DedicatedWorkerThread(WorkerLoaderProxy&, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerThreadStartupData>);
+    DedicatedWorkerThread(WorkerLoaderProxy&, WorkerObjectProxy&, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
 
     WorkerObjectProxy& m_workerObjectProxy;
     double m_timeOrigin;