Introduce isHTMLHtmlElement and toHTMLHtmlElement

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 86 matching lines @@
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/html/FormController.h"
 #include "core/html/HTMLAllCollection.h"
 #include "core/html/HTMLAnchorElement.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLHeadElement.h"
+#include "core/html/HTMLHtmlElement.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLImport.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/html/HTMLNameCollection.h"
 #include "core/html/HTMLScriptElement.h"
 #include "core/html/HTMLStyleElement.h"
 #include "core/html/HTMLTitleElement.h"
 #include "core/html/PluginDocument.h"
 #include "core/html/parser/HTMLDocumentParser.h"
 #include "core/html/parser/HTMLParserIdioms.h"
@@ skipping 560 matching lines @@
 
 DOMImplementation* Document::implementation()
 {
     if (!m_implementation)
         m_implementation = DOMImplementation::create(this);
     return m_implementation.get();
 }
 
 bool Document::hasManifest() const
 {
-    return documentElement() && documentElement()->hasTagName(htmlTag) && documentElement()->hasAttribute(manifestAttr);
+    return documentElement() && isHTMLHtmlElement(documentElement()) && documentElement()->hasAttribute(manifestAttr);
 }
 
 void Document::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
 {
     ContainerNode::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 
     Element* newDocumentElement = ElementTraversal::firstWithin(this);
     if (newDocumentElement == m_documentElement)
         return;
     m_documentElement = newDocumentElement;
@@ skipping 1607 matching lines @@
 
 bool Document::shouldScheduleLayout()
 {
     // This function will only be called when FrameView thinks a layout is needed.
     // This enforces a couple extra rules.
     //
     //    (a) Only schedule a layout once the stylesheets are loaded.
     //    (b) Only schedule layout once we have a body element.
 
     return (haveStylesheetsLoaded() && body())
-        || (documentElement() && !documentElement()->hasTagName(htmlTag));
+        || (documentElement() && !isHTMLHtmlElement(documentElement()));
 }
 
 bool Document::isLayoutTimerActive()
 {
     return view() && view()->layoutPending() && !minimumLayoutDelay();
 }
 
 int Document::minimumLayoutDelay()
 {
     if (m_overMinimumLayoutThreshold)
@@ skipping 2834 matching lines @@
 {
     return DocumentLifecycleNotifier::create(this);
 }
 
 DocumentLifecycleNotifier* Document::lifecycleNotifier()
 {
     return static_cast<DocumentLifecycleNotifier*>(ScriptExecutionContext::lifecycleNotifier());
 }
 
 } // namespace WebCore