Cameron McCormack d9ce239334 servo: Merge #17901 - style: Remove now-unused empty Variables struct (from heycam:rm-empty-variables); r=emilio
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The `Servo_GetEmptyVariables` FFI function no longer has any callers from Gecko, so we can remove it and the code that creates/frees that struct.

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Source-Repo: https://github.com/servo/servo
Source-Revision: e95da98f5fae9705131dd0731679241b295095dd

--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 477bbed9e1dea773c06fdff4b38af783ae73201b
2017-07-28 09:08:24 -05:00
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