From a8a8c271ab9c34eaf0143423c0b754af79f532d9 Mon Sep 17 00:00:00 2001
From: Marco Castelluccio <mcastelluccio@mozilla.com>
Date: Thu, 1 Feb 2024 01:06:07 +0000
Subject: [PATCH] Bug 1875313 - Use en-US as a fallback when spoof English is
 enabled in ICUUtils. r=timhuang,tjr

Differential Revision: https://phabricator.services.mozilla.com/D198967

UltraBlame original commit: c3355d01fddd88418fbc1cd812370953743ffb73
---
 intl/unicharutil/util/ICUUtils.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/intl/unicharutil/util/ICUUtils.cpp b/intl/unicharutil/util/ICUUtils.cpp
index 473e07aedfa5..c143d3d412c9 100644
--- a/intl/unicharutil/util/ICUUtils.cpp
+++ b/intl/unicharutil/util/ICUUtils.cpp
@@ -213,6 +213,34 @@ mCurrentFallbackIndex
 =
 2
 ;
+if
+(
+mContent
+-
+>
+OwnerDoc
+-
+>
+ShouldResistFingerprinting
+(
+RFPTarget
+:
+:
+JSLocale
+)
+)
+{
+return
+NS_Atomize
+(
+"
+en
+-
+US
+"
+)
+;
+}
 nsAutoCString
 appLocale
 ;