[tor-commits] [tor-browser/tor-browser-52.8.0esr-7.5-1] Bug 22614: Make e10s/non-e10s Tor Browsers indistinguishable

[gk@xxxxxxxxxxxxxx]

commit deaa82b4f8ab411198ca300f614df3970221455e
Author: Fernando Fernandez Mancera <ffmancera@xxxxxxxxxx>
Date:   Fri Feb 2 11:38:01 2018 +0100

    Bug 22614: Make e10s/non-e10s Tor Browsers indistinguishable
    
    e10s in its current form probably brings some fingerprinting risks with it.
    E.g. users of accessibility tools (not only those users) won't have e10s
    enabled on windows and macOS. In order to solve this issue
    "dom.disable_window_showModalDialog" is set to "true".
---
 browser/app/profile/000-tor-browser.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/browser/app/profile/000-tor-browser.js b/browser/app/profile/000-tor-browser.js
index 32922418b12f..6fa34860a7b5 100644
--- a/browser/app/profile/000-tor-browser.js
+++ b/browser/app/profile/000-tor-browser.js
@@ -177,6 +177,8 @@ pref("media.webspeech.synth.enabled", false); // Bug 10283: Disable SpeechSynthe
 pref("dom.webaudio.enabled", false); // Bug 13017: Disable Web Audio API
 pref("dom.maxHardwareConcurrency", 1); // Bug 21675: Spoof single-core cpu
 pref("dom.w3c_touch_events.enabled", 0); // Bug 10286: Always disable Touch API
+// Make e10s/non-e10s Tor Browsers indistinguishable (Bug: 22614)
+pref("dom.disable_window_showModalDialog", true);
 
 // Third party stuff
 pref("privacy.firstparty.isolate", true); // Always enforce first party isolation

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