Blake Kaplan a7ba580113 Bug 1389836 - Don't recreate mHandlerInfo for every little change. r=bz
There are non-cost reference return values on IPDL structs. We should take
advantage of them in order not to recopy everything everytime something
changes.

MozReview-Commit-ID: D4hG2moE3f

--HG--
extra : rebase_source : 4edca9b1a808f99dd60be908bbb197757bf9b90a
2017-11-14 15:37:47 -08:00
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