| Index: components/sync/model/metadata_batch.h
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| diff --git a/components/sync/model/metadata_batch.h b/components/sync/model/metadata_batch.h
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| index 03a94d8f796976e0308f04f483ae7cc68981dbe1..294544fd7aa715642cedfe2489aac5404f967f75 100644
 | 
| --- a/components/sync/model/metadata_batch.h
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| +++ b/components/sync/model/metadata_batch.h
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| @@ -14,7 +14,7 @@
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|  namespace syncer {
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|  
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|  // Map of storage keys to EntityMetadata proto.
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| -typedef std::map<std::string, sync_pb::EntityMetadata> EntityMetadataMap;
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| +using EntityMetadataMap = std::map<std::string, sync_pb::EntityMetadata>;
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|  
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|  // Container used to pass sync metadata from services to their processor.
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|  class MetadataBatch {
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| 
 |