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style: Make the simplified children iterator check account for Shadow DOM on its own.

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We are relying in the XBL binding for the shadow host, we need to check
explicitly.

Also, we were checking in_shadow_tree, which is really broad. Just
is_html_slot_element should do, since the rest of the nodes should have only
light tree children.

Bug: 1425759
Reviewed-by: xidorn
MozReview-Commit-ID: KAFRVxaLsK
This commit is contained in:
Emilio Cobos Álvarez 2018-02-25 17:58:59 +01:00
parent f3fe99bcb2
commit 07f86404cd
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GPG key ID: 056B727BB9C1027C
1 changed files with 2 additions and 1 deletions
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3
components/style/gecko/wrapper.rs
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@ -959,7 +959,8 @@ impl<'le> TElement for GeckoElement<'le> {
// ::before/::after, XBL bindings, or nsIAnonymousContentCreators. // ::before/::after, XBL bindings, or nsIAnonymousContentCreators.
if self.is_in_anonymous_subtree() || if self.is_in_anonymous_subtree() ||
self.has_xbl_binding_with_content() || self.has_xbl_binding_with_content() ||
self.is_in_shadow_tree() || self.is_html_slot_element() ||
self.shadow_root().is_some() ||
self.may_have_anonymous_children() { self.may_have_anonymous_children() {
unsafe { unsafe {
let mut iter: structs::StyleChildrenIterator = ::std::mem::zeroed(); let mut iter: structs::StyleChildrenIterator = ::std::mem::zeroed();