Hedger Wang
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1caebf175a
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Add data structure to manage the stack for the legacy navigator.
Reviewed By: ericvicenti
Differential Revision: D3002015
fb-gh-sync-id: 27519a1b67fe514bd6d9102031ea482f76fae16b
shipit-source-id: 27519a1b67fe514bd6d9102031ea482f76fae16b
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2016-03-03 22:52:51 -08:00 |