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Bug 1374233 - Part 3: Use NonNegativeAu as computed values for font-size related properties.

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For font-size and font-size-adjust.

MozReview-Commit-ID: 5rrfVSzB7WF
This commit is contained in:
Boris Chiou 2017-07-21 15:38:55 +08:00
parent 191c2a282b
commit 234d2c1b32
13 changed files with 87 additions and 57 deletions
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2
components/style/matching.rs
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@ -534,7 +534,7 @@ pub trait MatchMethods : TElement {
if old_styles.primary.as_ref().map_or(true, |s| s.get_font().clone_font_size() != new_font_size) {
debug_assert!(self.owner_doc_matches_for_testing(device));
device.set_root_font_size(new_font_size);
device.set_root_font_size(new_font_size.0);
// If the root font-size changed since last time, and something
// in the document did use rem units, ensure we recascade the
// entire tree.