Oilpan: move WorkerThreadStartupData to the oilpan heap.

Source/core/workers/SharedWorkerThread.h

Index: Source/core/workers/SharedWorkerThread.h
diff --git a/Source/core/workers/SharedWorkerThread.h b/Source/core/workers/SharedWorkerThread.h
index 3617ac480e29bedc67e153ca500155d8c3372cc6..46cb8738a6b536c4b3e286d70be93f3c7ef705c0 100644
--- a/Source/core/workers/SharedWorkerThread.h
+++ b/Source/core/workers/SharedWorkerThread.h
@@ -35,18 +35,18 @@
 
 namespace WebCore {
 
-struct WorkerThreadStartupData;
+class WorkerThreadStartupData;
 
 class SharedWorkerThread : public WorkerThread {
 public:
-    static PassRefPtr<SharedWorkerThread> create(const String& name, WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtr<WorkerThreadStartupData>);
+    static PassRefPtr<SharedWorkerThread> create(const String& name, WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
     virtual ~SharedWorkerThread();
 
 protected:
-    virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) OVERRIDE;
+    virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>) OVERRIDE;
 
 private:
-    SharedWorkerThread(const String& name, WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtr<WorkerThreadStartupData>);
+    SharedWorkerThread(const String& name, WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
 
     String m_name;
 };