Reland of "Tracking reference filter mutation via SVGElementProxy"

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/)
  *
@@ skipping 730 matching lines @@
   if (isElementNode() && hasRareData())
     toElement(*this).setAnimationStyleChange(false);
 
   if (isSVGElement())
     toSVGElement(this)->setNeedsStyleRecalcForInstances(changeType, reason);
 }
 
 void Node::clearNeedsStyleRecalc() {
   m_nodeFlags &= ~StyleChangeMask;
 
-  clearSVGFilterNeedsLayerUpdate();
-
   if (isElementNode() && hasRareData())
     toElement(*this).setAnimationStyleChange(false);
 }
 
 bool Node::inActiveDocument() const {
   return isConnected() && document().isActive();
 }
 
 Node* Node::focusDelegate() {
   return this;
@@ skipping 1727 matching lines @@
   if (node) {
     std::stringstream stream;
     node->printNodePathTo(stream);
     LOG(INFO) << stream.str();
   } else {
     LOG(INFO) << "Cannot showNodePath for <null>";
   }
 }
 
 #endif