Block execution of failed 'crossorigin' <script>s.

Source/core/xml/parser/XMLDocumentParser.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Holger Hans Peter Freyther
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 456 matching lines @@
 
     ScriptLoader* scriptLoader = toScriptLoaderIfPossible(e.get());
     ASSERT(scriptLoader);
 
     // JavaScript can detach this parser, make sure it's kept alive even if detached.
     RefPtr<XMLDocumentParser> protect(this);
 
     if (errorOccurred)
         scriptLoader->dispatchErrorEvent();
     else if (!wasCanceled) {
-        scriptLoader->executeScript(sourceCode);
-        scriptLoader->dispatchLoadEvent();
+        if (scriptLoader->executePotentiallyCrossOriginScript(sourceCode))
+            scriptLoader->dispatchLoadEvent();
     }
 
     m_scriptElement = 0;
 
     if (!isDetached() && !m_requestingScript)
         resumeParsing();
 }
 
 bool XMLDocumentParser::isWaitingForScripts() const
 {
@@ skipping 1145 matching lines @@
     sax.initialized = XML_SAX2_MAGIC;
     RefPtr<XMLParserContext> parser = XMLParserContext::createStringParser(&sax, &state);
     String parseString = "<?xml version=\"1.0\"?><attrs " + string + " />";
     parseChunk(parser->context(), parseString);
     finishParsing(parser->context());
     attrsOK = state.gotAttributes;
     return state.attributes;
 }
 
 } // namespace WebCore