Chromium Code Reviews| Index: components/sync/base/immutable.h | 
| diff --git a/components/sync/base/immutable.h b/components/sync/base/immutable.h | 
| index 9d435ad2e180cdd251319392ea7d9223aaaf77d4..4c9508d490e0957c70ef8440fd050a7aa0847164 100644 | 
| --- a/components/sync/base/immutable.h | 
| +++ b/components/sync/base/immutable.h | 
| @@ -187,7 +187,7 @@ class ImmutableCore | 
| template <typename T> | 
| struct DefaultImmutableTraits { | 
| - typedef T Wrapper; | 
| + using Wrapper = T; | 
| static void InitializeWrapper(Wrapper* wrapper) {} |