[HTML Import] Let script block by pending resources created by lifecycle callback

Source/core/html/parser/HTMLScriptRunner.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 50 matching lines @@
     bool executeScriptsWaitingForParsing();
 
     bool hasParserBlockingScript() const;
     bool isExecutingScript() const { return !!m_scriptNestingLevel; }
 
 private:
     HTMLScriptRunner(Document*, HTMLScriptRunnerHost*);
 
     LocalFrame* frame() const;
 
+    enum PendingScriptType {
+        PendingScriptBlockingParser,
+        PendingScriptDeferred
+    };
+
     void executeParsingBlockingScript();
-    void executePendingScriptAndDispatchEvent(PendingScript&);
+    void executePendingScriptAndDispatchEvent(PendingScript&, PendingScriptType);
     void executeParsingBlockingScripts();
 
     void requestParsingBlockingScript(Element*);
     void requestDeferredScript(Element*);
     bool requestPendingScript(PendingScript&, Element*) const;
 
     void runScript(Element*, const TextPosition& scriptStartPosition);
 
     // Helpers for dealing with HTMLScriptRunnerHost
     void watchForLoad(PendingScript&);
@@ skipping 10 matching lines @@
     // We only want stylesheet loads to trigger script execution if script
     // execution is currently stopped due to stylesheet loads, otherwise we'd
     // cause nested script execution when parsing <style> tags since </style>
     // tags can cause Document to call executeScriptsWaitingForResources.
     bool m_hasScriptsWaitingForResources;
 };
 
 }
 
 #endif