| Index: components/sync/engine_impl/uss_migrator.h
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| diff --git a/components/sync/engine_impl/uss_migrator.h b/components/sync/engine_impl/uss_migrator.h
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| index 28cdddb44535f3c8b693fa8f09973b0620472f0f..84a6fd2da400dec3d4234dc65ad784c2379f099d 100644
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| --- a/components/sync/engine_impl/uss_migrator.h
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| +++ b/components/sync/engine_impl/uss_migrator.h
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| @@ -13,8 +13,8 @@ namespace syncer {
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|  class ModelTypeWorker;
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|  struct UserShare;
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|  
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| -typedef base::Callback<bool(ModelType, UserShare*, ModelTypeWorker*)>
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| -    UssMigrator;
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| +using UssMigrator =
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| +    base::Callback<bool(ModelType, UserShare*, ModelTypeWorker*)>;
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|  
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|  // Pulls all the data for |type| out of the directory and sends it to |worker|
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|  // as the result of an initial GetUpdates. Returns whether migration succeeded.
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| 
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