Count element name validity per DOM versus HTML parsing.

third_party/WebKit/Source/core/dom/DOMImplementation.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 59 matching lines @@
     ExceptionState& exception_state) {
   AtomicString prefix, local_name;
   if (!Document::ParseQualifiedName(qualified_name, prefix, local_name,
                                     exception_state))
     return nullptr;
 
   return DocumentType::Create(document_, qualified_name, public_id, system_id);
 }
 
 XMLDocument* DOMImplementation::createDocument(
+    const LocalDOMWindow* window,
     const AtomicString& namespace_uri,
     const AtomicString& qualified_name,
     DocumentType* doctype,
     ExceptionState& exception_state) {
   XMLDocument* doc = nullptr;
   DocumentInit init =
       DocumentInit::FromContext(GetDocument().ContextDocument());
   if (namespace_uri == SVGNames::svgNamespaceURI) {
     doc = XMLDocument::CreateSVG(init);
   } else if (namespace_uri == HTMLNames::xhtmlNamespaceURI) {
     doc = XMLDocument::CreateXHTML(
         init.WithRegistrationContext(GetDocument().RegistrationContext()));
   } else {
     doc = XMLDocument::Create(init);
   }
 
   doc->SetSecurityOrigin(GetDocument().GetSecurityOrigin());
   doc->SetContextFeatures(GetDocument().GetContextFeatures());
 
   Node* document_element = nullptr;
   if (!qualified_name.IsEmpty()) {
-    document_element =
-        doc->createElementNS(namespace_uri, qualified_name, exception_state);
+    document_element = doc->createElementNS(window, namespace_uri,
+                                            qualified_name, exception_state);
     if (exception_state.HadException())
       return nullptr;
   }
 
   if (doctype)
     doc->AppendChild(doctype);
   if (document_element)
     doc->AppendChild(document_element);
 
   return doc;
@@ skipping 169 matching lines @@
     return XMLDocument::Create(init);
 
   return HTMLDocument::Create(init);
 }
 
 DEFINE_TRACE(DOMImplementation) {
   visitor->Trace(document_);
 }
 
 }  // namespace blink