| Index: components/sync/base/cryptographer.h
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| diff --git a/components/sync/base/cryptographer.h b/components/sync/base/cryptographer.h
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| index a11ae3e188211060e1c22992dacc82701ca77dfa..b4fcb90808cd6450d32e63fc9b999bdf52e1ce28 100644
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| --- a/components/sync/base/cryptographer.h
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| +++ b/components/sync/base/cryptographer.h
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| @@ -185,7 +185,7 @@ class Cryptographer {
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|    bool ImportNigoriKey(const std::string& serialized_nigori_key);
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|  
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|   private:
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| -  typedef std::map<std::string, linked_ptr<const Nigori>> NigoriMap;
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| +  using NigoriMap = std::map<std::string, linked_ptr<const Nigori>>;
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|  
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|    // Helper method to instantiate Nigori instances for each set of key
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|    // parameters in |bag|.
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| 
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