Stop scheduling in-order script execution upon hitting failed script.

third_party/WebKit/Source/core/dom/PendingScript.h

 /*
  * 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 60 matching lines @@
     void notifyAppendData(ScriptResource*) override;
 
     DECLARE_TRACE();
 
     ScriptSourceCode getSource(const KURL& documentURL, bool& errorOccurred) const;
 
     void setStreamer(PassRefPtrWillBeRawPtr<ScriptStreamer>);
     void streamingFinished();
 
     bool isReady() const;
+    bool errorOccurred() const;
 
     void dispose();
 
 private:
     PendingScript(Element*, ScriptResource*);
 
     bool m_watchingForLoad;
     RefPtrWillBeMember<Element> m_element;
     TextPosition m_startingPosition; // Only used for inline script tags.
     bool m_integrityFailure;
 
     RefPtrWillBeMember<ScriptStreamer> m_streamer;
     ScriptResourceClient* m_client;
 };
 
 } // namespace blink
 
 #endif // PendingScript_h