Bug 1207734 - Part 6. Fix an assertion from the early pref access checking. r=billm

MozReview-Commit-ID: 8GgVojlNy3v
(grafted from 308a4ed50826254e195fa2f4a14334d4114bd1f9)

--HG--
extra : source : 308a4ed50826254e195fa2f4a14334d4114bd1f9

dom/ipc/ContentPrefs.cpp

@@ -153,6 +153,7 @@ const char* mozilla::dom::ContentPrefs::gEarlyPrefs[] = {
   "layout.css.grid-template-subgrid-value.enabled",
   "layout.css.grid.enabled",
   "layout.css.image-orientation.enabled",
+  "layout.css.individual-transform.enabled",
   "layout.css.initial-letter.enabled",
   "layout.css.isolation.enabled",
   "layout.css.mix-blend-mode.enabled",