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

third_party/WebKit/Source/core/css/StyleSheetContents.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 294 matching lines @@
   return true;
 }
 
 void StyleSheetContents::parserAddNamespace(const AtomicString& prefix,
                                             const AtomicString& uri) {
   ASSERT(!uri.isNull());
   if (prefix.isNull()) {
     m_defaultNamespace = uri;
     return;
   }
-  PrefixNamespaceURIMap::AddResult result = m_namespaces.add(prefix, uri);
+  PrefixNamespaceURIMap::AddResult result = m_namespaces.insert(prefix, uri);
   if (result.isNewEntry)
     return;
   result.storedValue->value = uri;
 }
 
 const AtomicString& StyleSheetContents::namespaceURIFromPrefix(
     const AtomicString& prefix) {
   return m_namespaces.get(prefix);
 }
 
@@ skipping 366 matching lines @@
   visitor->trace(m_namespaceRules);
   visitor->trace(m_childRules);
   visitor->trace(m_loadingClients);
   visitor->trace(m_completedClients);
   visitor->trace(m_ruleSet);
   visitor->trace(m_referencedFromResource);
   visitor->trace(m_parserContext);
 }
 
 }  // namespace blink