| Index: components/sync/engine_impl/commit_processor.cc
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| diff --git a/components/sync/engine_impl/commit_processor.cc b/components/sync/engine_impl/commit_processor.cc
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| index a3177694b5ed57b3114e56c7780c4c71ec6bdc10..05f9b028e4fb77f9d43818b506a0af9f4cd32538 100644
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| --- a/components/sync/engine_impl/commit_processor.cc
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| +++ b/components/sync/engine_impl/commit_processor.cc
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| @@ -14,7 +14,7 @@
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|  
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|  namespace syncer {
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|  
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| -typedef std::map<ModelType, size_t> TypeToIndexMap;
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| +using TypeToIndexMap = std::map<ModelType, size_t>;
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|  
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|  CommitProcessor::CommitProcessor(CommitContributorMap* commit_contributor_map)
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|      : commit_contributor_map_(commit_contributor_map) {}
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| 
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