Move 'designMode' 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 4334 matching lines @@
 
 bool Document::inDesignMode() const
 {
     for (const Document* d = this; d; d = d->parentDocument()) {
         if (d->m_designMode != inherit)
             return d->m_designMode;
     }
     return false;
 }
 
+String Document::designMode() const
+{
+    return inDesignMode() ? "on" : "off";
+}
+
+void Document::setDesignMode(const String& value)
+{
+    InheritedBool mode;
+    if (equalIgnoringCase(value, "on"))
+        mode = on;
+    else if (equalIgnoringCase(value, "off"))
+        mode = off;
+    else
+        mode = inherit;
+    setDesignMode(mode);
+}
+
 Document* Document::parentDocument() const
 {
     if (!m_frame)
         return 0;
     LocalFrame* parent = m_frame->tree().parent();
     if (!parent)
         return 0;
     return parent->document();
 }
 
@@ skipping 1173 matching lines @@
         (*it)->invalidateCache(attrName);
 }
 
 void Document::trace(Visitor* visitor)
 {
     Supplementable<Document>::trace(visitor);
     ContainerNode::trace(visitor);
 }
 
 } // namespace WebCore