Notify the HTMLDocumentParser on document element available

third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2005, 2006, 2008, 2014 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 1004 matching lines @@
     if (isStopped()) {
         stopParsing();
         return;
     }
 
     if (isHTMLTemplateElement(*newElement))
         pushCurrentNode(toHTMLTemplateElement(*newElement).content());
     else
         pushCurrentNode(newElement);
 
-    if (isHTMLHtmlElement(*newElement))
+    // Note: |insertedByParser| will perform dispatching if this is an
+    // HTMLHtmlElement.
+    if (isHTMLHtmlElement(*newElement) && isFirstElement) {
         toHTMLHtmlElement(*newElement).insertedByParser();
-
-    if (!m_parsingFragment && isFirstElement && document()->frame()) {
+    } else if (!m_parsingFragment && isFirstElement && document()->frame()) {
         document()->frame()->loader().dispatchDocumentElementAvailable();
         document()->frame()->loader().runScriptsAtDocumentElementAvailable();
         // runScriptsAtDocumentElementAvailable might have invalidated the document.
     }
 }
 
 void XMLDocumentParser::endElementNs()
 {
     if (isStopped())
         return;
@@ skipping 599 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 blink