Remove unused Document::getFocusableNodes

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 3228 matching lines @@
     if (!focusChangeBlocked)
         page()->chrome().focusedNodeChanged(m_focusedNode.get());
 
 SetFocusedNodeDone:
     updateStyleIfNeeded();
     if (Frame* frame = this->frame())
         frame->selection()->didChangeFocus();
     return !focusChangeBlocked;
 }
 
-void Document::getFocusableNodes(Vector<RefPtr<Node> >& nodes)
-{
-    updateLayout();
-
-    for (Node* node = firstChild(); node; node = NodeTraversal::next(node)) {
-        if (node->isFocusable())
-            nodes.append(node);
-    }
-}
-
 void Document::setCSSTarget(Element* n)
 {
     if (m_cssTarget)
         m_cssTarget->didAffectSelector(AffectedSelectorTarget);
     m_cssTarget = n;
     if (n)
         n->didAffectSelector(AffectedSelectorTarget);
 }
 
 void Document::registerNodeList(LiveNodeListBase* list)
@@ skipping 1890 matching lines @@
 {
     return DocumentLifecycleNotifier::create(this);
 }
 
 DocumentLifecycleNotifier* Document::lifecycleNotifier()
 {
     return static_cast<DocumentLifecycleNotifier*>(ScriptExecutionContext::lifecycleNotifier());
 }
 
 } // namespace WebCore