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Backed out changeset fc813bf68348 for failing reftest layout/reftests/bugs/272646-1.xul on OS X. r=backout

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Backs out https://github.com/servo/servo/pull/19045
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Gecko Backout 2017-10-28 08:08:47 +00:00 • committed by moz-servo-sync
parent 592c513c28
commit cda9d186c1
5 changed files with 47 additions and 148 deletions
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19
components/style/dom.rs
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@ -388,15 +388,6 @@ pub trait TElement
depth
}
/// The style scope of this element is a node that represents which rules
/// apply to the element.
///
/// In Servo, where we don't know about Shadow DOM or XBL, the style scope
/// is always the document.
fn style_scope(&self) -> Self::ConcreteNode {
self.as_node().owner_doc().as_node()
}
/// Get this node's parent element from the perspective of a restyle
/// traversal.
fn traversal_parent(&self) -> Option<Self> {
@ -747,16 +738,14 @@ pub trait TElement
None
}
/// Return the element which we can use to look up rules in the selector
/// maps.
///
/// This is always the element itself, except in the case where we are an
/// element-backed pseudo-element, in which case we return the originating
/// element.
/// Returns the rule hash target given an element.
fn rule_hash_target(&self) -> Self {
let is_implemented_pseudo =
self.implemented_pseudo_element().is_some();
// NB: This causes use to rule has pseudo selectors based on the
// properties of the originating element (which is fine, given the
// find_first_from_right usage).
if is_implemented_pseudo {
self.closest_non_native_anonymous_ancestor().unwrap()
} else {