Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/workers/WorkerThread.h

Index: third_party/WebKit/Source/core/workers/WorkerThread.h
diff --git a/third_party/WebKit/Source/core/workers/WorkerThread.h b/third_party/WebKit/Source/core/workers/WorkerThread.h
index 1a4f8b06a2ba4bd9cd7b43102956a8e48a972bfb..7c77ef0ab9bbcd2daf811c59523a25bda5a6f46e 100644
--- a/third_party/WebKit/Source/core/workers/WorkerThread.h
+++ b/third_party/WebKit/Source/core/workers/WorkerThread.h
@@ -128,7 +128,7 @@ protected:
     WorkerThread(PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&);
 
     // Factory method for creating a new worker context for the thread.
-    virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) = 0;
+    virtual RawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) = 0;
 
     virtual void postInitialize() { }
 
@@ -164,13 +164,13 @@ private:
     WorkerReportingProxy& m_workerReportingProxy;
     RawPtr<WebScheduler> m_webScheduler; // Not owned.
 
-    RefPtrWillBePersistent<WorkerInspectorController> m_workerInspectorController;
+    Persistent<WorkerInspectorController> m_workerInspectorController;
     Mutex m_workerInspectorControllerMutex;
 
     // This lock protects |m_workerGlobalScope|, |m_terminated|, |m_shutdown|, |m_isolate| and |m_microtaskRunner|.
     Mutex m_threadStateMutex;
 
-    RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope;
+    Persistent<WorkerGlobalScope> m_workerGlobalScope;
 
     v8::Isolate* m_isolate;