Migrate WTF::HashMap::add() to ::insert()

third_party/WebKit/Source/core/dom/shadow/ElementShadowV0.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 187 matching lines @@
             shadowWhereNodeCanBeDistributedForV0(*shadowInsertionPoint))
       shadow->setNeedsDistributionRecalc();
   }
   InspectorInstrumentation::didPerformElementShadowDistribution(
       &m_elementShadow->host());
 }
 
 void ElementShadowV0::didDistributeNode(const Node* node,
                                         InsertionPoint* insertionPoint) {
   NodeToDestinationInsertionPoints::AddResult result =
-      m_nodeToInsertionPoints.add(node, nullptr);
+      m_nodeToInsertionPoints.insert(node, nullptr);
   if (result.isNewEntry)
     result.storedValue->value = new DestinationInsertionPoints;
   result.storedValue->value->push_back(insertionPoint);
 }
 
 const SelectRuleFeatureSet& ElementShadowV0::ensureSelectFeatureSet() {
   if (!m_needsSelectFeatureSet)
     return m_selectFeatures;
 
   m_selectFeatures.clear();
@@ skipping 40 matching lines @@
 
 DEFINE_TRACE(ElementShadowV0) {
   visitor->trace(m_elementShadow);
   visitor->trace(m_nodeToInsertionPoints);
   visitor->trace(m_selectFeatures);
 }
 
 DEFINE_TRACE_WRAPPERS(ElementShadowV0) {}
 
 }  // namespace blink