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

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 1943 matching lines @@
     const QualifiedName* attributeName) {
   if (!registry)
     return;
 
   for (const auto& registration : *registry) {
     if (registration->shouldReceiveMutationFrom(target, type, attributeName)) {
       MutationRecordDeliveryOptions deliveryOptions =
           registration->deliveryOptions();
       HeapHashMap<Member<MutationObserver>,
                   MutationRecordDeliveryOptions>::AddResult result =
-          observers.add(&registration->observer(), deliveryOptions);
+          observers.insert(&registration->observer(), deliveryOptions);
       if (!result.isNewEntry)
         result.storedValue->value |= deliveryOptions;
     }
   }
 }
 
 void Node::getRegisteredMutationObserversOfType(
     HeapHashMap<Member<MutationObserver>, MutationRecordDeliveryOptions>&
         observers,
     MutationObserver::MutationType type,
@@ skipping 591 matching lines @@
   if (node) {
     std::stringstream stream;
     node->printNodePathTo(stream);
     LOG(INFO) << stream.str();
   } else {
     LOG(INFO) << "Cannot showNodePath for <null>";
   }
 }
 
 #endif