Oilpan: have PendingScripts trace their script elements.

Source/core/dom/ScriptLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 278 matching lines @@
     return isSVGScriptElement(*element);
 }
 
 void ScriptLoader::executeScript(const ScriptSourceCode& sourceCode)
 {
     ASSERT(m_alreadyStarted);
 
     if (sourceCode.isEmpty())
         return;
 
-    RefPtr<Document> elementDocument(m_element->document());
-    RefPtr<Document> contextDocument = elementDocument->contextDocument().get();
+    RefPtrWillBeRawPtr<Document> elementDocument(m_element->document());
+    RefPtrWillBeRawPtr<Document> contextDocument = elementDocument->contextDocument().get();
     if (!contextDocument)
         return;
 
     LocalFrame* frame = contextDocument->frame();
 
     bool shouldBypassMainWorldContentSecurityPolicy = (frame && frame->script().shouldBypassMainWorldContentSecurityPolicy()) || elementDocument->contentSecurityPolicy()->allowScriptNonce(m_element->fastGetAttribute(HTMLNames::nonceAttr)) || elementDocument->contentSecurityPolicy()->allowScriptHash(sourceCode.source());
 
     if (!m_isExternalScript && (!shouldBypassMainWorldContentSecurityPolicy && !elementDocument->contentSecurityPolicy()->allowInlineScript(elementDocument->url(), m_startLineNumber)))
         return;
 
@@ skipping 49 matching lines @@
         executeScript(ScriptSourceCode(resource));
         dispatchLoadEvent();
     }
     resource->removeClient(this);
 }
 
 void ScriptLoader::notifyFinished(Resource* resource)
 {
     ASSERT(!m_willBeParserExecuted);
 
-    RefPtr<Document> elementDocument(m_element->document());
-    RefPtr<Document> contextDocument = elementDocument->contextDocument().get();
+    RefPtrWillBeRawPtr<Document> elementDocument(m_element->document());
+    RefPtrWillBeRawPtr<Document> contextDocument = elementDocument->contextDocument().get();
     if (!contextDocument)
         return;
 
     // Resource possibly invokes this notifyFinished() more than
     // once because ScriptLoader doesn't unsubscribe itself from
     // Resource here and does it in execute() instead.
     // We use m_resource to check if this function is already called.
     ASSERT_UNUSED(resource, resource == m_resource);
     if (!m_resource)
         return;
@@ skipping 53 matching lines @@
     if (isHTMLScriptLoader(element))
         return toHTMLScriptElement(element)->loader();
 
     if (isSVGScriptLoader(element))
         return toSVGScriptElement(element)->loader();
 
     return 0;
 }
 
 }