Move 'dir' attribute from HTMLDocument to Document.

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 1373 matching lines @@
     // Update title based on first title element in the head, if one exists.
     if (HTMLElement* headElement = head()) {
         if (HTMLTitleElement* title = Traversal<HTMLTitleElement>::firstChild(*headElement))
             setTitleElement(title->text(), title);
     }
 
     if (!m_titleElement)
         updateTitle(String());
 }
 
+const AtomicString& Document::dir()
+{
+    // FIXME(crbug.com/363107): This should be the root html element, not the body.
+    if (HTMLElement* b = body())
+        return b->getAttribute(dirAttr);
+    return nullAtom;
+}
+
+void Document::setDir(const AtomicString& value)
+{
+    // FIXME(crbug.com/363107): This should be the root html element, not the body.
+    if (HTMLElement* b = body())
+        b->setAttribute(dirAttr, value);
+}
+
 PageVisibilityState Document::pageVisibilityState() const
 {
     // The visibility of the document is inherited from the visibility of the
     // page. If there is no page associated with the document, we will assume
     // that the page is hidden, as specified by the spec:
     // http://dvcs.w3.org/hg/webperf/raw-file/tip/specs/PageVisibility/Overview.html#dom-document-hidden
     if (!m_frame || !m_frame->page())
         return PageVisibilityStateHidden;
     return m_frame->page()->visibilityState();
 }
@@ skipping 4119 matching lines @@
         (*it)->invalidateCache(attrName);
 }
 
 void Document::trace(Visitor* visitor)
 {
     Supplementable<Document>::trace(visitor);
     ContainerNode::trace(visitor);
 }
 
 } // namespace WebCore