Bug 1364850: Move PseudoElement to be just another combinator in selectors. r=bholley

MozReview-Commit-ID: 8OoOIodkKJ5
Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>

components/script_layout_interface/wrapper_traits.rs

@@ -20,7 +20,6 @@ use style::context::SharedStyleContext;
 use style::data::ElementData;
 use style::dom::{LayoutIterator, NodeInfo, PresentationalHintsSynthesizer, TNode};
 use style::dom::OpaqueNode;
-use style::element_state::ElementState;
 use style::font_metrics::ServoMetricsProvider;
 use style::properties::{CascadeFlags, ServoComputedValues};
 use style::selector_parser::{PseudoElement, PseudoElementCascadeType, SelectorImpl};
@@ -435,7 +434,6 @@ pub trait ThreadSafeLayoutElement: Clone + Copy + Sized + Debug +
                                            &context.guards,
                                            unsafe { &self.unsafe_get() },
                                            &style_pseudo,
-                                           ElementState::empty(),
                                            data.styles().primary.values(),
                                            &ServoMetricsProvider);
                             data.styles_mut().cached_pseudos