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

third_party/WebKit/Source/core/page/NetworkStateNotifier.cpp

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 73 matching lines @@
     m_state.maxBandwidthMbps = maxBandwidthMbps;
   }
 }
 
 void NetworkStateNotifier::addObserver(NetworkStateObserver* observer,
                                        ExecutionContext* context) {
   ASSERT(context->isContextThread());
   ASSERT(observer);
 
   MutexLocker locker(m_mutex);
-  ObserverListMap::AddResult result = m_observers.add(context, nullptr);
+  ObserverListMap::AddResult result = m_observers.insert(context, nullptr);
   if (result.isNewEntry)
     result.storedValue->value = WTF::wrapUnique(new ObserverList);
 
   ASSERT(result.storedValue->value->observers.find(observer) == kNotFound);
   result.storedValue->value->observers.push_back(observer);
 }
 
 void NetworkStateNotifier::removeObserver(NetworkStateObserver* observer,
                                           ExecutionContext* context) {
   ASSERT(context->isContextThread());
@@ skipping 98 matching lines @@
 
   list->zeroedObservers.clear();
 
   if (list->observers.isEmpty()) {
     MutexLocker locker(m_mutex);
     m_observers.erase(context);  // deletes list
   }
 }
 
 }  // namespace blink