Out-of-line trace() methods of editing template types.

third_party/WebKit/Source/core/editing/PositionWithAffinity.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file./*
 
 #include "core/editing/PositionWithAffinity.h"
 
 namespace blink {
 
 template <typename Strategy>
 PositionWithAffinityTemplate<Strategy>::PositionWithAffinityTemplate(
     const PositionTemplate<Strategy>& position,
     TextAffinity affinity)
     : m_position(position), m_affinity(affinity) {}
 
 template <typename Strategy>
 PositionWithAffinityTemplate<Strategy>::PositionWithAffinityTemplate()
     : m_affinity(TextAffinity::Downstream) {}
 
 template <typename Strategy>
 PositionWithAffinityTemplate<Strategy>::~PositionWithAffinityTemplate() {}
 
 template <typename Strategy>
+DEFINE_TRACE(PositionWithAffinityTemplate<Strategy>) {
+  visitor->trace(m_position);
+}
+
+template <typename Strategy>
 bool PositionWithAffinityTemplate<Strategy>::operator==(
     const PositionWithAffinityTemplate& other) const {
   if (isNull())
     return other.isNull();
   return m_affinity == other.m_affinity && m_position == other.m_position;
 }
 
 template class CORE_TEMPLATE_EXPORT
     PositionWithAffinityTemplate<EditingStrategy>;
 template class CORE_TEMPLATE_EXPORT
     PositionWithAffinityTemplate<EditingInFlatTreeStrategy>;
 
 std::ostream& operator<<(std::ostream& ostream,
                          const PositionWithAffinity& positionWithAffinity) {
   return ostream << positionWithAffinity.position() << '/'
                  << positionWithAffinity.affinity();
 }
 
 std::ostream& operator<<(
     std::ostream& ostream,
     const PositionInFlatTreeWithAffinity& positionWithAffinity) {
   return ostream << positionWithAffinity.position() << '/'
                  << positionWithAffinity.affinity();
 }
 
 }  // namespace blink