Summary: There are some situations where we are doing a traversal of the entire node hierachy looking for something. In some situtations this linear search can be replaced with a walk up the anchestory path making the code easier to understand and more efficient
Reviewed By: lblasa
Differential Revision: D41548253
fbshipit-source-id: 4fb2141282f1f9663835c3b7812d30dcc59b707e
8eb0866760