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style: Allow to export a shadow part under multiple names.

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Other browsers allow this and the spec doesn't really disallow it, so fix it,
add a test and carry on.

Differential Revision: https://phabricator.services.mozilla.com/D65107
This commit is contained in:
Emilio Cobos Álvarez 2020-03-09 13:04:21 +00:00
parent 614d3e746f
commit 635f5fbf1b
8 changed files with 46 additions and 46 deletions
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10
components/style/invalidation/element/element_wrapper.rs
View file

@ -62,9 +62,6 @@ pub trait ElementSnapshot: Sized {
/// called if `has_attrs()` returns true.
fn is_part(&self, name: &Atom) -> bool;
/// See Element::exported_part.
fn exported_part(&self, name: &Atom) -> Option<Atom>;
/// See Element::imported_part.
fn imported_part(&self, name: &Atom) -> Option<Atom>;
@ -371,13 +368,6 @@ where
}
}
fn exported_part(&self, name: &Atom) -> Option<Atom> {
match self.snapshot() {
Some(snapshot) if snapshot.has_attrs() => snapshot.exported_part(name),
_ => self.element.exported_part(name),
}
}
fn imported_part(&self, name: &Atom) -> Option<Atom> {
match self.snapshot() {
Some(snapshot) if snapshot.has_attrs() => snapshot.imported_part(name),