style: Save some work if the origin is not dirty.

MozReview-Commit-ID: EGHztVLj9i3
This commit is contained in:
Emilio Cobos Álvarez 2018-02-08 12:29:11 +01:00
parent bbc6857c06
commit 4cc5717116
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@ -240,6 +240,10 @@ impl DocumentCascadeData {
{
debug_assert_ne!(origin, Origin::UserAgent);
if !flusher.origin_dirty(origin) {
return Ok(());
}
let validity = flusher.data_validity(origin);
match validity {