Bug 271706 – [css-align] Fix serialization of place-content/items/self properties

• Status: RESOLVED
• Resolution: FIXED
• Component: CSS

[Karl Dubost]

With 
  <div id="target" style="place-content: normal;">foo</div>
And
  const target = document.querySelector('#target');
  target.style.cssText;
  target.style.getPropertyValue('place-content');
  window.getComputedStyle(target).placeContent;


Safari
cssText:          "align-content: normal; justify-content: normal;"
getPropertyValue: "normal"
getComputedStyle: "normal normal"


Firefox
cssText:          "place-content: normal;"
getPropertyValue: "normal"
getComputedStyle: "normal"


Chrome
cssText:          "place-content: normal;"
getPropertyValue: "normal"
getComputedStyle: "normal"

[Radar WebKit Bug Importer]

<rdar://problem/125415088>

[Tim Nguyen (:ntim)]

Pull request: https://github.com/WebKit/WebKit/pull/31358

[EWS]

Committed 281476@main (e095068eb230): <https://commits.webkit.org/281476@main>

Reviewed commits have been landed. Closing PR #31358 and removing active labels.