Rename Node::attached() to confusingAndOftenMisusedAttached()

Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ skipping 252 matching lines @@
 }
 
 void FrameLoader::clear(ClearOptions options)
 {
     if (m_stateMachine.creatingInitialEmptyDocument())
         return;
 
     m_frame->editor().clear();
     m_frame->document()->cancelParsing();
     m_frame->document()->stopActiveDOMObjects();
-    if (m_frame->document()->attached()) {
+    if (m_frame->document()->confusingAndOftenMisusedAttached()) {
         m_frame->document()->prepareForDestruction();
         m_frame->document()->removeFocusedElementOfSubtree(m_frame->document());
     }
 
     // Do this after detaching the document so that the unload event works.
     if (options & ClearWindowProperties) {
         InspectorInstrumentation::frameWindowDiscarded(m_frame, m_frame->domWindow());
         m_frame->domWindow()->reset();
         m_frame->script()->clearWindowShell();
     }
@@ skipping 1327 matching lines @@
 {
     SandboxFlags flags = m_forcedSandboxFlags;
     if (Frame* parentFrame = m_frame->tree()->parent())
         flags |= parentFrame->document()->sandboxFlags();
     if (HTMLFrameOwnerElement* ownerElement = m_frame->ownerElement())
         flags |= ownerElement->sandboxFlags();
     return flags;
 }
 
 } // namespace WebCore