From 7e99aa819c2c1e38e674d7495602f2f604296c48 Mon Sep 17 00:00:00 2001
From: Jonathan Kew <jkew@mozilla.com>
Date: Wed, 14 Feb 2018 22:02:05 +1100
Subject: [PATCH] Bug 1435984 - patch 1 - Cache the font-variations.enabled
 pref in StylePrefs for ready access in descriptor parsing. r=jwatt

--HG--
extra : source : 76e5042012c9c2f9c94953c62ea6f758f128e6f3
---
 layout/style/StylePrefs.cpp | 3 +++
 layout/style/StylePrefs.h   | 1 +
 2 files changed, 4 insertions(+)

diff --git a/layout/style/StylePrefs.cpp b/layout/style/StylePrefs.cpp
index 8752b9141753..9db048baf352 100644
--- a/layout/style/StylePrefs.cpp
+++ b/layout/style/StylePrefs.cpp
@@ -21,6 +21,7 @@ bool StylePrefs::sUnprefixedFullscreenApiEnabled;
 bool StylePrefs::sVisitedLinksEnabled;
 bool StylePrefs::sMozDocumentEnabledInContent;
 bool StylePrefs::sGridTemplateSubgridValueEnabled;
+bool StylePrefs::sFontVariationsEnabled;
 bool StylePrefs::sEmulateMozBoxWithFlex;
 
 /* static */ void
@@ -48,6 +49,8 @@ StylePrefs::Init()
                                "layout.css.moz-document.content.enabled");
   Preferences::AddBoolVarCache(&sGridTemplateSubgridValueEnabled,
                                "layout.css.grid-template-subgrid-value.enabled");
+  Preferences::AddBoolVarCache(&sFontVariationsEnabled,
+                               "layout.css.font-variations.enabled");
 
   // Only honor layout.css.emulate-moz-box-with-flex in prerelease builds.
   // (In release builds, sEmulateMozBoxWithFlex will be implicitly false.)
diff --git a/layout/style/StylePrefs.h b/layout/style/StylePrefs.h
index 3e4133e9de2c..6e9458a49768 100644
--- a/layout/style/StylePrefs.h
+++ b/layout/style/StylePrefs.h
@@ -24,6 +24,7 @@ struct StylePrefs
   static bool sVisitedLinksEnabled;
   static bool sMozDocumentEnabledInContent;
   static bool sGridTemplateSubgridValueEnabled;
+  static bool sFontVariationsEnabled;
   static bool sEmulateMozBoxWithFlex;
 
   static void Init();