[scroll-animations] Parse scroll-timeline properties

Removed tests for scroll-timelinee-name:<string>, since this is not
in the spec.

Bug: 1317765
Change-Id: I8dd93750d837395fe5c253981cf1d6527181e736
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3829517
Commit-Queue: Anders Hartvoll Ruud <andruud@chromium.org>
Reviewed-by: Robert Flack <flackr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1036831}

scroll-animations/css/scroll-timeline-name-computed.tentative.html

@@ -18,14 +18,8 @@
 test_computed_value('scroll-timeline-name', 'unset', 'none');
 test_computed_value('scroll-timeline-name', 'revert', 'none');
 test_computed_value('scroll-timeline-name', 'none');
-test_computed_value('scroll-timeline-name', '"test"', ["test", '"test"']);
-test_computed_value('scroll-timeline-name', '"none"');
-test_computed_value('scroll-timeline-name', '"auto"');
-test_computed_value('scroll-timeline-name', '"initial"');
-test_computed_value('scroll-timeline-name', '"inherit"');
-test_computed_value('scroll-timeline-name', '"unset"');
-test_computed_value('scroll-timeline-name', '"revert"');
 test_computed_value('scroll-timeline-name', 'test');
+test_computed_value('scroll-timeline-name', 'tEst');
 
 test(() => {
   let style = getComputedStyle(document.getElementById('target'));

scroll-animations/css/scroll-timeline-name-parsing.tentative.html

@@ -17,14 +17,7 @@
 test_valid_value('scroll-timeline-name', 'none');
 test_valid_value('scroll-timeline-name', 'abc');
 test_valid_value('scroll-timeline-name', '  abc', 'abc');
-
-test_valid_value('scroll-timeline-name', '"test"', ["test", '"test"']);
-test_valid_value('scroll-timeline-name', '"none"');
-test_valid_value('scroll-timeline-name', '"auto"');
-test_valid_value('scroll-timeline-name', '"initial"');
-test_valid_value('scroll-timeline-name', '"inherit"');
-test_valid_value('scroll-timeline-name', '"unset"');
-test_valid_value('scroll-timeline-name', '"revert"');
+test_valid_value('scroll-timeline-name', 'aBc');
 
 test_invalid_value('scroll-timeline-name', 'auto');
 test_invalid_value('scroll-timeline-name', '10px');

scroll-animations/css/scroll-timeline-shorthand.tentative.html

@@ -12,6 +12,7 @@
 test_valid_value('scroll-timeline', 'none inline', 'inline');
 test_valid_value('scroll-timeline', 'horizontal abc');
 test_valid_value('scroll-timeline', 'inline abc');
+test_valid_value('scroll-timeline', 'inline aBc');
 test_valid_value('scroll-timeline', 'vertical none', 'vertical');
 test_valid_value('scroll-timeline', 'inline inline');
 test_valid_value('scroll-timeline', 'abc');
@@ -20,10 +21,12 @@
 test_invalid_value('scroll-timeline', '');
 test_invalid_value('scroll-timeline', 'abc abc');
 
+test_computed_value('scroll-timeline', 'block none', 'block');
 test_computed_value('scroll-timeline', 'abc inline', 'inline abc');
 test_computed_value('scroll-timeline', 'none vertical', 'vertical');
 test_computed_value('scroll-timeline', 'horizontal abc');
 test_computed_value('scroll-timeline', 'vertical vertical');
+test_computed_value('scroll-timeline', 'abc');
 
 test_shorthand_value('scroll-timeline', 'vertical abc',
 {