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Auto merge of #14789 - Manishearth:supports, r=SimonSapin

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Support @supports

fixes #14786

cc @heycam @upsuper
r? @SimonSapin

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This commit is contained in:
bors-servo 2017-01-09 10:54:38 -08:00 • committed by GitHub
commit 50bba770d6
98 changed files with 638 additions and 218 deletions
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7
components/script/dom/bindings/trace.rs
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@ -99,6 +99,7 @@ use style::media_queries::MediaList;
use style::properties::PropertyDeclarationBlock;
use style::selector_parser::{PseudoElement, Snapshot};
use style::stylesheets::{CssRules, KeyframesRule, MediaRule, NamespaceRule, StyleRule, ImportRule};
use style::stylesheets::SupportsRule;
use style::values::specified::Length;
use style::viewport::ViewportRule;
use time::Duration;
@ -531,6 +532,12 @@ unsafe impl JSTraceable for RwLock<ImportRule> {
}
}
unsafe impl JSTraceable for RwLock<SupportsRule> {
unsafe fn trace(&self, _trc: *mut JSTracer) {
// Do nothing.
}
}
unsafe impl JSTraceable for RwLock<MediaRule> {
unsafe fn trace(&self, _trc: *mut JSTracer) {
// Do nothing.