From a8377eba3f55920ff81cca77974bcd065b163c64 Mon Sep 17 00:00:00 2001
From: Arthur Edelstein <arthuredelstein@gmail.com>
Date: Mon, 14 Nov 2016 10:22:09 -0800
Subject: [PATCH] Bug 16622: Pref to spoof time zone as UTC

---
 toolkit/xre/nsAppRunner.cpp | 9 +++++++++
 toolkit/xre/nsAppRunner.h   | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp
index 421512144cc6b..acc00cda49cdd 100644
--- a/toolkit/xre/nsAppRunner.cpp
+++ b/toolkit/xre/nsAppRunner.cpp
@@ -4505,6 +4505,8 @@ XREMain::XRE_mainRun()
 
   OverrideDefaultLocaleIfNeeded();
 
+  UseUTCTimeZoneIfNeeded();
+
 #ifdef MOZ_CRASHREPORTER
   nsCString userAgentLocale;
   // Try a localized string first. This pref is always a localized string in
@@ -5260,3 +5262,10 @@ XRE_EnableSameExecutableForContentProc() {
     mozilla::ipc::GeckoChildProcessHost::EnableSameExecutableForContentProc();
   }
 }
+
+void
+UseUTCTimeZoneIfNeeded() {
+  if (mozilla::Preferences::GetBool("privacy.use_utc_timezone", false)) {
+    SaveToEnv("TZ=UTC");
+  }
+}
diff --git a/toolkit/xre/nsAppRunner.h b/toolkit/xre/nsAppRunner.h
index b8d955319042a..eea099a75956f 100644
--- a/toolkit/xre/nsAppRunner.h
+++ b/toolkit/xre/nsAppRunner.h
@@ -104,6 +104,9 @@ OverrideDefaultLocaleIfNeeded();
 void
 MozExpectedExit();
 
+void
+UseUTCTimeZoneIfNeeded();
+
 #ifdef XP_WIN
 void
 UseParentConsole();
-- 
GitLab