Move focus management API from HTMLDocument to Document

Source/core/html/HTMLDocument.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 93 matching lines @@
     InheritedBool mode;
     if (equalIgnoringCase(value, "on"))
         mode = on;
     else if (equalIgnoringCase(value, "off"))
         mode = off;
     else
         mode = inherit;
     Document::setDesignMode(mode);
 }
 
-Element* HTMLDocument::activeElement()
-{
-    if (Element* element = treeScope().adjustedFocusedElement())
-        return element;
-    return body();
-}
-
-bool HTMLDocument::hasFocus()
-{
-    Page* page = this->page();
-    if (!page)
-        return false;
-    if (!page->focusController().isActive() || !page->focusController().isFocused())
-        return false;
-    if (Frame* focusedFrame = page->focusController().focusedFrame()) {
-        if (focusedFrame->tree().isDescendantOf(frame()))
-            return true;
-    }
-    return false;
-}
-
 HTMLBodyElement* HTMLDocument::htmlBodyElement() const
 {
     HTMLElement* body = this->body();
     return (body && body->hasTagName(bodyTag)) ? toHTMLBodyElement(body) : 0;
 }
 
 const AtomicString& HTMLDocument::bodyAttributeValue(const QualifiedName& name) const
 {
     if (HTMLBodyElement* body = htmlBodyElement())
         return body->fastGetAttribute(name);
@@ skipping 195 matching lines @@
 void HTMLDocument::writeln(DOMWindow* activeWindow, const Vector<String>& text)
 {
     ASSERT(activeWindow);
     StringBuilder builder;
     for (size_t i = 0; i < text.size(); ++i)
         builder.append(text[i]);
     writeln(builder.toString(), activeWindow->document());
 }
 
 }