style: Use used, rather than computed font-size for font-metric dependent units

Differential Revision: https://phabricator.services.mozilla.com/D165737
This commit is contained in:
Emilio Cobos Álvarez 2023-01-02 02:29:30 +00:00 committed by Martin Robinson
parent d30400d3ea
commit 18b9e1b615
11 changed files with 64 additions and 39 deletions

View file

@ -924,7 +924,7 @@ pub trait MatchMethods: TElement {
if is_root {
let device = context.shared.stylist.device();
debug_assert!(self.owner_doc_matches_for_testing(device));
device.set_root_font_size(new_font_size.size().into());
device.set_root_font_size(new_font_size.computed_size().into());
if device.used_root_font_size() {
// If the root font-size changed since last time, and something
// in the document did use rem units, ensure we recascade the