Stop parsing @supports rules before Delimiter::Bang
Fixes#15482
Shorthand parsing uses `parse_entirely`, so we have to ask it to stop before the `!important`.
An alternate fix is to not use `parse_entirely` there and ensuring that all callers of `PropertyDeclaration::parse_into()` check that the input is exhausted. Two of the three callers do that anyway because they check for `!important`.
We also weren't checking for the end of the parser for `CSS.supports()`.
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In the upcoming patches we'll eliminate the existing Selector and SelectorInner,
and ComplexSelector will become an Arc-managed |Selector|. So the tuple-indexed
setup is just temporary.
MozReview-Commit-ID: 4CcOYeHGUED
Parent mismatch should not clear style sharing cache.
We can have cousins in the cache whose parent doesn't match ours, and other
cousins whose parent does. When we encounter one of the former, that's not a
reason to stop lookin for the latter.
Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1369620
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We can have cousins in the cache whose parent doesn't match ours, and other
cousins whose parent does. When we encounter one of the former, that's not a
reason to stop lookin for the latter.
Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1369620
Bump euclid to 0.13 and heapsize to 0.4
This is necessary for the serde 1.0 update.
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Allow style sharing for elements with ids as long as the ID is not being used for styling
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Implement custom element registry
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Implements https://html.spec.whatwg.org/multipage/#customelementregistry
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Remove no-op got_load_complete_message compositor property.
Removing no-op code.
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