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

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

View file

@ -117,13 +117,6 @@ pub trait Element: Sized + Clone + Debug {
case_sensitivity: CaseSensitivity,
) -> bool;
/// Returns the mapping from the `exportparts` attribute in the regular
/// direction, that is, inner-tree -> outer-tree.
fn exported_part(
&self,
name: &<Self::Impl as SelectorImpl>::PartName,
) -> Option<<Self::Impl as SelectorImpl>::PartName>;
/// Returns the mapping from the `exportparts` attribute in the reverse
/// direction, that is, in an outer-tree -> inner-tree direction.
fn imported_part(