| Index: components/sync/model/entity_data.h
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| diff --git a/components/sync/model/entity_data.h b/components/sync/model/entity_data.h
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| index 6b7a1b18b4df0454906092a90c7d33a75a4b0046..ee7e18f298cbadee76748f18e31f9f3224107f84 100644
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| --- a/components/sync/model/entity_data.h
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| +++ b/components/sync/model/entity_data.h
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| @@ -26,9 +26,9 @@ struct EntityDataTraits {
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|    static const EntityData& DefaultValue();
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|  };
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|  
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| -typedef ProtoValuePtr<EntityData, EntityDataTraits> EntityDataPtr;
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| -typedef std::vector<EntityDataPtr> EntityDataList;
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| -typedef std::map<std::string, EntityDataPtr> EntityDataMap;
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| +using EntityDataPtr = ProtoValuePtr<EntityData, EntityDataTraits>;
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| +using EntityDataList = std::vector<EntityDataPtr>;
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| +using EntityDataMap = std::map<std::string, EntityDataPtr>;
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|  
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|  // A light-weight container for sync entity data which represents either
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|  // local data created on the ModelTypeSyncBridge side or remote data created
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| 
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