1327937 - e10s and not-e10s scrollbar in select drop-down list styled differently on some sites

Status: UNCONFIRMED

(Core :: Layout: Form Controls, defect, P3)

Description

[arni2033]

>>>   My Info:   Win7_64, Nightly 49, 32bit, ID 20160526082509
STR_1:  (original)
1. Open url 
2. Click on any <select> with long list of options  (e.g. element w/ CSS selector "select#car_brand")

AR:  Scrollbar in drop-down list is different from scrollbar on the page
ER:  Those 2 scrollbars should look the same way


STR_2:  (testcase)
1. Open url [1]
2. Click on <select>

> [1] data:text/html,<meta http-equiv="MSTHEMECOMPATIBLE" content="no"><script>onload=function(){var S="On the right side<select>"; for(i=0;i<50;i++)S+="<option>Option "+i;document.body.innerHTML=S;}</script><style>body{height:100%}select{position:fixed;right:20px;}

Comment 1

[Tommy Kuo (away forever...)]

I'm not sure what this bug is. Is only the UI difference between the XUL UI and native UI?