cssparser provides a way to set the initial line number on a
ParserInput. This patch changes servo to use this facility, rather than
reimplement the same functionality itself.
The alias is left there temporarilly and will be removed completely in a later commit where
also components/style/gecko/generated/structs_{debug|release}.rs are re-generated (they still
use the old alias).
style: Tweak rule tree memory ordering.
I've commented on the ones that I think are the most tricky. Note that this code
is stress-tested in the style tests (tests/unit/style/rule_tree/bench.rs).
<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/15562)
<!-- Reviewable:end -->
I've commented on the ones that I think are the most tricky. Note that this code
is stress-tested in the style tests (tests/unit/style/rule_tree/bench.rs).
From https://bugzilla.mozilla.org/show_bug.cgi?id=1347719
This effectively combines the discriminants of the two enums and reduces the
size of PropertyDeclaration by one word.
MozReview-Commit-ID: 9rCRiSVZTQT
passes test-tidy
removed match and used map
added new test test_report_error_passing_correct_url(...) and modified old unit tests
removed the option for servourl and tidied up
removed the duplicate test.
made a few more changes after @cbrewster suggestions.
changed _url to url in few places
fixed the indenting