From 0488f81dac5255680fe2b37e4f117f568993c38f Mon Sep 17 00:00:00 2001
From: Hiroyuki Ikezoe <hikezoe@mozilla.com>
Date: Fri, 4 Jan 2019 07:22:27 +0000
Subject: [PATCH] style: Drop layout.css.isolation.enabled pref.

It was enabled by default in bug 1091885.

Differential Revision: https://phabricator.services.mozilla.com/D15705
---
 components/style/properties/longhands/box.mako.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/components/style/properties/longhands/box.mako.rs b/components/style/properties/longhands/box.mako.rs
index 7eb6ff0028d..cb580cc93ba 100644
--- a/components/style/properties/longhands/box.mako.rs
+++ b/components/style/properties/longhands/box.mako.rs
@@ -427,7 +427,6 @@ ${helpers.single_keyword(
     "isolation",
     "auto isolate",
     products="gecko",
-    gecko_pref="layout.css.isolation.enabled",
     spec="https://drafts.fxtf.org/compositing/#isolation",
     flags="CREATES_STACKING_CONTEXT",
     animation_value_type="discrete",