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Auto merge of #20079 - servo:ZEH-INDEX, r=emilio

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Replace IntegerOrAuto with ZIndex

It's its only use.

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bors-servo 2018-02-20 12:13:40 -05:00 • committed by GitHub
commit 05b8ba0a48
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9 changed files with 75 additions and 50 deletions
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4
components/layout/fragment.rs
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@ -58,7 +58,7 @@ use style::properties::ComputedValues;
use style::selector_parser::RestyleDamage;
use style::servo::restyle_damage::ServoRestyleDamage;
use style::str::char_is_whitespace;
use style::values::{self, Either, Auto};
use style::values::{self, Either};
use style::values::computed::{Length, LengthOrPercentage, LengthOrPercentageOrAuto};
use style::values::computed::counters::ContentItem;
use style::values::generics::box_::VerticalAlign;
@ -2512,7 +2512,7 @@ impl Fragment {
// For absolutely and relatively positioned fragments we only establish a stacking
// context if there is a z-index set.
// See https://www.w3.org/TR/CSS2/visuren.html#z-index
self.style().get_position().z_index != Either::Second(Auto)
!self.style().get_position().z_index.is_auto()
}
// Get the effective z-index of this fragment. Z-indices only apply to positioned element