Make ScriptStreamer and dependents Oilpan friendly.

Source/bindings/core/v8/WorkerScriptDebugServer.h

 /*
  * Copyright (c) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 23 matching lines @@
 #include "bindings/core/v8/ScriptDebugServer.h"
 #include <v8.h>
 
 namespace blink {
 
 class WorkerGlobalScope;
 
 class WorkerScriptDebugServer final : public ScriptDebugServer {
     WTF_MAKE_NONCOPYABLE(WorkerScriptDebugServer);
 public:
-    explicit WorkerScriptDebugServer(WorkerGlobalScope*);
+    static PassOwnPtrWillBeRawPtr<WorkerScriptDebugServer> create(WorkerGlobalScope* workerGlobalScope)
+    {
+        return adoptPtrWillBeNoop(new WorkerScriptDebugServer(workerGlobalScope));
+    }
+
     ~WorkerScriptDebugServer() override { }
+    void trace(Visitor*) override;
 
     void addListener(ScriptDebugListener*);
     void removeListener(ScriptDebugListener*);
 
     void interruptAndRunTask(PassOwnPtr<Task>);
 
 private:
+    explicit WorkerScriptDebugServer(WorkerGlobalScope*);
+
     ScriptDebugListener* getDebugListenerForContext(v8::Handle<v8::Context>) override;
     void runMessageLoopOnPause(v8::Handle<v8::Context>) override;
     void quitMessageLoopOnPause() override;
 
-    typedef HashMap<WorkerGlobalScope*, ScriptDebugListener*> ListenersMap;
     ScriptDebugListener* m_listener;
-    WorkerGlobalScope* m_workerGlobalScope;
+    RawPtrWillBeMember<WorkerGlobalScope> m_workerGlobalScope;
 };
 
 } // namespace blink
 
 #endif // WorkerScriptDebugServer_h