Remove TraceWrappers idl attribute

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 2246 matching lines @@
     visitor->trace(m_next);
     // rareData() and m_data.m_layoutObject share their storage. We have to trace
     // only one of them.
     if (hasRareData())
         visitor->trace(rareData());
 
     visitor->trace(m_treeScope);
     EventTarget::trace(visitor);
 }
 
+DEFINE_TRACE_WRAPPERS(Node)

[haraken, 2016/04/25 15:19:53]

Shall we remove the tracing method for now? EventTarget doesn't yet have
traceWrappers.

We can introduce the tracing method when we actually replace the object grouping
with traceWrappers.

[Marcel Hlopko, 2016/04/25 15:22:34]

Done.

+{
+    visitor->traceWrappers(parentOrShadowHostOrTemplateHostNode());
+    visitor->traceWrappers(m_previous);
+    visitor->traceWrappers(m_next);
+    EventTarget::traceWrappers(visitor);
+}
+
 unsigned Node::lengthOfContents() const
 {
     // This switch statement must be consistent with that of Range::processContentsBetweenOffsets.
     switch (getNodeType()) {
     case Node::TEXT_NODE:
     case Node::CDATA_SECTION_NODE:
     case Node::COMMENT_NODE:
     case Node::PROCESSING_INSTRUCTION_NODE:
         return toCharacterData(this)->length();
     case Node::ELEMENT_NODE:
@@ skipping 49 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif