Merge 107622

Source/WebCore/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 344 matching lines @@
     // When text-combine property has been changed, we need to prepare a separate renderer object.
     // When text-combine is on, we use RenderCombineText, otherwise RenderText.
     // https://bugs.webkit.org/show_bug.cgi?id=55069
     if ((s1 && s2) && (s1->hasTextCombine() != s2->hasTextCombine()))
         ch = Detach;
 
     // We need to reattach the node, so that it is moved to the correct RenderFlowThread.
     if ((s1 && s2) && (s1->flowThread() != s2->flowThread()))
         ch = Detach;
 
-    // When either the region thread or the region index has changed,
-    // we need to prepare a separate render region object.
+    // When the region thread has changed, we need to prepare a separate render region object.
     if ((s1 && s2) && (s1->regionThread() != s2->regionThread()))
         ch = Detach;
 
     return ch;
 }
 
 void Node::trackForDebugging()
 {
 #ifndef NDEBUG
     if (shouldIgnoreLeaks)
@@ skipping 2581 matching lines @@
 
 #ifndef NDEBUG
 
 void showTree(const WebCore::Node* node)
 {
     if (node)
         node->showTreeForThis();
 }
 
 #endif