Track connected subframes per-Document instead of per-Node.

third_party/WebKit/Source/core/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 2211 matching lines @@
         return;
     }
 
 #if ENABLE(SECURITY_ASSERT)
     m_deletionHasBegun = true;
 #endif
     delete this;
 }
 #endif
 
-unsigned Node::connectedSubframeCount() const
-{
-    return hasRareData() ? rareData()->connectedSubframeCount() : 0;
-}
-
-void Node::incrementConnectedSubframeCount(unsigned amount)
-{
-    ASSERT(isContainerNode());
-    ensureRareData().incrementConnectedSubframeCount(amount);
-}
-
-void Node::decrementConnectedSubframeCount(unsigned amount)
-{
-    rareData()->decrementConnectedSubframeCount(amount);
-}
-
-void Node::updateAncestorConnectedSubframeCountForInsertion() const
-{
-    unsigned count = connectedSubframeCount();
-
-    if (!count)
-        return;
-
-    ScriptForbiddenScope forbidScriptDuringRawIteration;
-    for (Node* node = parentOrShadowHostNode(); node; node = node->parentOrShadowHostNode())
-        node->incrementConnectedSubframeCount(count);
-}
-
 PassRefPtrWillBeRawPtr<StaticNodeList> Node::getDestinationInsertionPoints()
 {
     updateDistribution();
     WillBeHeapVector<RawPtrWillBeMember<InsertionPoint>, 8> insertionPoints;
     collectDestinationInsertionPoints(*this, insertionPoints);
     WillBeHeapVector<RefPtrWillBeMember<Node>> filteredInsertionPoints;
     for (size_t i = 0; i < insertionPoints.size(); ++i) {
         InsertionPoint* insertionPoint = insertionPoints[i];
         ASSERT(insertionPoint->containingShadowRoot());
         if (!insertionPoint->containingShadowRoot()->isOpenOrV0())
@@ skipping 171 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif