| Index: components/sync/syncable/change_reorder_buffer.cc
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| diff --git a/components/sync/syncable/change_reorder_buffer.cc b/components/sync/syncable/change_reorder_buffer.cc
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| index 377692d307e2ae860a28727ac2e64488311d1694..f920d276624258bdc3e59acec938cc7b0db4d7fb 100644
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| --- a/components/sync/syncable/change_reorder_buffer.cc
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| +++ b/components/sync/syncable/change_reorder_buffer.cc
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| @@ -29,8 +29,8 @@ namespace syncer {
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|  // methods can be used to explore the nodes in root-to-leaf order.
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|  class ChangeReorderBuffer::Traversal {
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|   public:
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| -  typedef pair<int64_t, int64_t> ParentChildLink;
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| -  typedef set<ParentChildLink> LinkSet;
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| +  using ParentChildLink = pair<int64_t, int64_t>;
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| +  using LinkSet = set<ParentChildLink>;
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|  
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|    Traversal() : top_(kInvalidId) {}
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|  
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| 
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