[tbb-commits] [tor-browser/tor-browser-78.6.0esr-10.5-1] fixup! Bug 23104: Add a default line height compensation

[gk at torproject.org]

commit 4ce99eee684fb3d8b92ee51861b4bdc82bfb6599
Author: Alex Catarineu <acat at torproject.org>
Date:   Fri Apr 3 21:34:55 2020 +0200

    fixup! Bug 23104: Add a default line height compensation
---
 layout/generic/test/test_tor_bug23104.html | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/layout/generic/test/test_tor_bug23104.html b/layout/generic/test/test_tor_bug23104.html
index ae73a3446037..8ff1d2190c45 100644
--- a/layout/generic/test/test_tor_bug23104.html
+++ b/layout/generic/test/test_tor_bug23104.html
@@ -17,12 +17,10 @@
 <span id="test1">Test1</span>
 <span id="test2">كلمة</span>
 <span id="test3">ação</span>
-<script type="application/javascript;version=1.7">
+<script>
 
-let setPref = function* (key, value) {
-  return new Promise(function(resolve, reject) {
-    SpecialPowers.pushPrefEnv({"set": [[key, value]]}, resolve);
-  });
+let setPref = async function (key, value) {
+  await SpecialPowers.pushPrefEnv({"set": [[key, value]]});
 }
 
 function getStyle(el, styleprop) {
@@ -34,12 +32,13 @@ function validateElement(elementName, isFingerprintResistent) {
   var fontSize = getStyle(elementName, 'font-size');
   var lineHeight = getStyle(elementName, 'line-height');
   var validationCb = isFingerprintResistent ? is : isnot;
-  validationCb(parseFloat(lineHeight), parseFloat(fontSize) * 1.2, 'Line Height validation');
+  validationCb(parseFloat(lineHeight), Math.round(parseFloat(fontSize)) * 1.2, 'Line Height validation');
 }
 
-add_task(function* () {
+add_task(async function() {
+  await setPref("layout.css.line-height.normal-as-resolved-value.enabled", false);
   for (let resistFingerprintingValue of [true, false]) {
-  yield setPref("privacy.resistFingerprinting", resistFingerprintingValue);
+    await setPref("privacy.resistFingerprinting", resistFingerprintingValue);
     for (let elementId of ['test1', 'test2', 'test3']) {
       validateElement(elementId, resistFingerprintingValue);
     }