Rollup merge of #17000 - upsuper:webkit-media-feature, r=emilio

Add -webkit-prefix for serialization when necessary

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This commit is contained in:
Manish Goregaokar 2017-05-24 11:59:24 -07:00 committed by GitHub
commit b34f1c8aa9

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@ -128,6 +128,10 @@ impl ToCss for Expression {
where W: fmt::Write,
{
dest.write_str("(")?;
if (self.feature.mReqFlags & nsMediaFeature_RequirementFlags::eHasWebkitPrefix as u8) != 0 {
dest.write_str("-webkit-")?;
}
match self.range {
nsMediaExpression_Range::eMin => dest.write_str("min-")?,
nsMediaExpression_Range::eMax => dest.write_str("max-")?,