Require explicit selection of traits for LazyInstance

content/browser/indexed_db/indexed_db_class_factory.h

 // 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.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CLASS_FACTORY_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CLASS_FACTORY_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 45 matching lines @@
 
   virtual std::unique_ptr<LevelDBIteratorImpl> CreateIteratorImpl(
       std::unique_ptr<leveldb::Iterator> iterator);
 
   virtual scoped_refptr<LevelDBTransaction> CreateLevelDBTransaction(
       LevelDBDatabase* db);
 
  protected:
   IndexedDBClassFactory() {}
   virtual ~IndexedDBClassFactory() {}
-  friend struct base::DefaultLazyInstanceTraits<IndexedDBClassFactory>;
+  friend struct base::LazyInstanceTraitsBase<IndexedDBClassFactory>;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CLASS_FACTORY_H_