Not for review - Rebase of crrev.com/62833003

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 5f03f26f9edca069c8ffaf32416b13ac1a712f89..3a8534df0c614b152e7f96a0806146ff33e46f45 100644
--- a/Source/core/workers/DedicatedWorkerThread.h
+++ b/Source/core/workers/DedicatedWorkerThread.h
@@ -38,19 +38,21 @@ namespace blink {
 class WorkerObjectProxy;
 class WorkerThreadStartupData;
 
-class DedicatedWorkerThread final : public WorkerThread {
+class DedicatedWorkerThread : public WorkerThread {
 public:
     static PassRefPtr<DedicatedWorkerThread> create(WorkerLoaderProxy&, WorkerObjectProxy&, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
     WorkerObjectProxy& workerObjectProxy() const { return m_workerObjectProxy; }
     virtual ~DedicatedWorkerThread();
 
 protected:
+    DedicatedWorkerThread(WorkerLoaderProxy&, WorkerObjectProxy&, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
+
     virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>) override;
     virtual void postInitialize() override;
 
-private:
-    DedicatedWorkerThread(WorkerLoaderProxy&, WorkerObjectProxy&, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
+    double timeOrigin() const { return m_timeOrigin; }
 
+private:
     WorkerObjectProxy& m_workerObjectProxy;
     double m_timeOrigin;
 };