Xidorn Quan 12de3945a4 Bug 1514498 - Hide rather than collapse scrollbar thumb when scrollbar is disabled. r=NeilDeakin ... Collapsing thumb causes frame of scrollbar to cache an incorrect pref size, which makes it not able to appear in certain cases. This patch changes it to use "visibility: hidden" instead so that the thumb is hidden but still contributes to the width of scrollbar. An alternative would be also change the code in nsScrollbarFrame to set something other than collapsed attribute instead, but I'm not sure whether doing that is any better than just adding a rule. We need the rule anyway regardless of what we set on the element. Differential Revision: https://phabricator.services.mozilla.com/D15244 --HG-- extra : moz-landing-system : lando		2019-01-10 14:15:30 +00:00
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reftest.list	Bug 1514498 - Hide rather than collapse scrollbar thumb when scrollbar is disabled. r=NeilDeakin	2019-01-10 14:15:30 +00:00
scrollbar-thin-overflow-change-ref.html	Bug 1514498 - Hide rather than collapse scrollbar thumb when scrollbar is disabled. r=NeilDeakin	2019-01-10 14:15:30 +00:00
scrollbar-thin-overflow-change.html	Bug 1514498 - Hide rather than collapse scrollbar thumb when scrollbar is disabled. r=NeilDeakin	2019-01-10 14:15:30 +00:00
viewport-scrollbar-color-change-ref.html	…
viewport-scrollbar-color-change.html	…