Make ScriptStreamer and dependents Oilpan friendly.

Source/core/inspector/PageDebuggerAgent.cpp

 /*
  * 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 47 matching lines @@
 {
     m_overlay->overlayHost()->setListener(this);
 }
 
 PageDebuggerAgent::~PageDebuggerAgent()
 {
 }
 
 void PageDebuggerAgent::trace(Visitor* visitor)
 {
+    visitor->trace(m_pageScriptDebugServer);
     visitor->trace(m_pageAgent);
     InspectorDebuggerAgent::trace(visitor);
 }
 
 void PageDebuggerAgent::enable()
 {
     InspectorDebuggerAgent::enable();
     m_instrumentingAgents->setPageDebuggerAgent(this);
 }
 
@@ skipping 70 matching lines @@
 
 void PageDebuggerAgent::didCommitLoad(LocalFrame* frame, DocumentLoader* loader)
 {
     Frame* mainFrame = frame->page()->deprecatedLocalMainFrame();
     if (loader->frame() == mainFrame)
         pageDidCommitLoad();
 }
 
 } // namespace blink