[tbb-commits] [tor-browser/tor-browser-45.0.2esr-6.x-1] fixup! TB4: Tor Browser's Firefox preference overrides.

[gk at torproject.org]

commit 08b28fedbf5eb3a57fb1f5a2e38a830366d5f78d
Author: Kathy Brade <brade at pearlcrescent.com>
Date:   Wed Apr 20 11:12:20 2016 -0400

    fixup! TB4: Tor Browser's Firefox preference overrides.
    
    Disable the WebGL failIfMajorPerformanceCaveat feature because it
    can be used as a fingerprinting vector (bug 18603).
---
 browser/app/profile/000-tor-browser.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/browser/app/profile/000-tor-browser.js b/browser/app/profile/000-tor-browser.js
index 15f7d14..4935bcd 100644
--- a/browser/app/profile/000-tor-browser.js
+++ b/browser/app/profile/000-tor-browser.js
@@ -101,6 +101,7 @@ pref("privacy.trackingprotection.pbmode.enabled", false);
 // Fingerprinting
 pref("webgl.min_capability_mode", true);
 pref("webgl.disable-extensions", true);
+pref("webgl.disable-fail-if-major-performance-caveat", true);
 pref("dom.battery.enabled", false); // fingerprinting due to differing OS implementations
 pref("dom.network.enabled",false); // fingerprinting due to differing OS implementations
 pref("browser.display.max_font_attempts",10);