selectors: Never match ::slotted on <slot>s.

This fixes the test from https://github.com/w3c/web-platform-tests/pull/9212 in
Gecko.
This commit is contained in:
Emilio Cobos Álvarez 2018-01-27 17:42:19 +01:00
parent bc7dd644f6
commit 61e60a87e5
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7 changed files with 36 additions and 7 deletions

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@ -82,6 +82,9 @@ pub trait Element: Sized + Clone + Debug {
/// Whether this element is a `link`.
fn is_link(&self) -> bool;
/// Returns whether the element is an HTML <slot> element.
fn is_html_slot_element(&self) -> bool;
/// Returns the assigned <slot> element this element is assigned to.
///
/// Necessary for the `::slotted` pseudo-class.