Oilpan: have PendingScripts trace their script elements.

Source/core/html/parser/HTMLDocumentParser.cpp

 /*
  * Copyright (C) 2010 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 143 matching lines @@
     ASSERT(!m_haveBackgroundParser);
     // FIXME: We should be able to ASSERT(m_speculations.isEmpty()),
     // but there are cases where that's not true currently. For example,
     // we we're told to stop parsing before we've consumed all the input.
 #endif
 }
 
 void HTMLDocumentParser::trace(Visitor* visitor)
 {
     visitor->trace(m_treeBuilder);
+    visitor->trace(m_scriptRunner);
     ScriptableDocumentParser::trace(visitor);
+    HTMLScriptRunnerHost::trace(visitor);
 }
 
 void HTMLDocumentParser::pinToMainThread()
 {
     ASSERT(!m_haveBackgroundParser);
     ASSERT(!m_isPinnedToMainThread);
     m_isPinnedToMainThread = true;
     if (!m_tokenizer) {
         ASSERT(!m_token);
         m_token = adoptPtr(new HTMLToken);
@@ skipping 772 matching lines @@
         RefPtrWillBeRawPtr<HTMLDocumentParser> protect(this);
         pumpPendingSpeculations();
         return;
     }
 
     m_insertionPreloadScanner.clear();
     pumpTokenizerIfPossible(AllowYield);
     endIfDelayed();
 }
 
-void HTMLDocumentParser::watchForLoad(Resource* resource)
-{
-    ASSERT(!resource->isLoaded());
-    // addClient would call notifyFinished if the load were complete.
-    // Callers do not expect to be re-entered from this call, so they should
-    // not an already-loaded Resource.
-    resource->addClient(this);
-}
-
-void HTMLDocumentParser::stopWatchingForLoad(Resource* resource)
-{
-    resource->removeClient(this);
-}
-
 void HTMLDocumentParser::appendCurrentInputStreamToPreloadScannerAndScan()
 {
     ASSERT(m_preloadScanner);
     m_preloadScanner->appendToEnd(m_input.current());
     m_preloadScanner->scan(m_preloader.get(), document()->baseElementURL());
 }
 
-void HTMLDocumentParser::notifyFinished(Resource* cachedResource)
+void HTMLDocumentParser::notifyScriptLoaded(Resource* cachedResource)
 {
     // pumpTokenizer can cause this parser to be detached from the Document,
     // but we need to ensure it isn't deleted yet.
     RefPtrWillBeRawPtr<HTMLDocumentParser> protect(this);
 
     ASSERT(m_scriptRunner);
     ASSERT(!isExecutingScript());
     if (isStopping()) {
         attemptToRunDeferredScriptsAndEnd();
         return;
@@ skipping 79 matching lines @@
 void HTMLDocumentParser::setDecoder(PassOwnPtr<TextResourceDecoder> decoder)
 {
     ASSERT(decoder);
     DecodedDataDocumentParser::setDecoder(decoder);
 
     if (m_haveBackgroundParser)
         HTMLParserThread::shared()->postTask(bind(&BackgroundHTMLParser::setDecoder, m_backgroundParser, takeDecoder()));
 }
 
 }