Enable relative color syntax

[Loirooriol]

Upgrades Stylo to servo/stylo#107

---

• ./mach build -d does not report any errors
• ./mach test-tidy does not report any errors
• There are tests for these changes

[github-actions]

🔨 Triggering try run (#12673472183) for Linux WPT

[github-actions]

Test results for linux-wpt-layout-2020 from try job (#12673472183):

Flaky unexpected result (21)

• OK /_webgl/conformance/rendering/texture-switch-performance.html (#23384)
  • FAIL [expected PASS] subtest: WebGL test #0: Texture switching significantly hurt performance - achieved 599 frames in 2.003 seconds (0.61 times baseline performance)

    assert_true: Texture switching significantly hurt performance - achieved 599 frames in 2.003 seconds (0.61 times baseline performance) expected true got false
    

• OK /_webgl/conformance2/rendering/texture-switch-performance.html (#23384)
  • FAIL [expected PASS] subtest: WebGL test #0: Texture switching significantly hurt performance - achieved 531 frames in 2.009 seconds (0.60 times baseline performance)

    assert_true: Texture switching significantly hurt performance - achieved 531 frames in 2.009 seconds (0.60 times baseline performance) expected true got false
    

• PASS [expected FAIL] /css/css-sizing/dynamic-available-size-iframe.html (#31559)
• OK /fetch/metadata/generated/css-font-face.sub.tentative.html (#34624)
  • PASS [expected FAIL] subtest: sec-fetch-storage-access - Not sent to non-trustworthy cross-site destination
• OK /html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html (#29048)
  • PASS [expected FAIL] subtest: Navigating to a different document with form submission
• OK /html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-window-open.html (#28691)
  • PASS [expected FAIL] subtest: load event does not fire on window.open('about:blank')
• OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.html (#29056)
  • PASS [expected FAIL] subtest: Cross-origin navigation started from unload handler must be ignored
• OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.html (#29049)
  • PASS [expected FAIL] subtest: Same-origin navigation started from unload handler must be ignored
• TIMEOUT [expected OK] /html/browsers/history/the-history-interface/traverse-during-unload.html (#28688)
  • TIMEOUT [expected PASS] subtest: Traversing the history during unload

    Test timed out
    

• TIMEOUT [expected PASS] /html/browsers/origin/origin-keyed-agent-clusters/popups-crash.https.html
• ERROR [expected TIMEOUT] /html/canvas/element/manual/imagebitmap/createImageBitmap-transfer.html (#34119)
• OK /html/dom/render-blocking/script-inserted-style-element.html
  • PASS [expected FAIL] subtest: Rendering is blocked before render-blocking resources are loaded
• OK /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-nav-location-replace-set-src.html (#32697)
  • PASS [expected FAIL] subtest: Navigating iframe loading='lazy' and then setting src: location.replace
• OK [expected CRASH] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html (#24066)
  • FAIL [expected NOTRUN] subtest: Check that popups from a sandboxed iframe do not escape the sandbox

    assert_equals: It came from a sandboxed iframe expected "null" but got "http://web-platform.test:8000"
    

• OK [expected TIMEOUT] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html (#22154)
  • FAIL [expected NOTRUN] subtest: Check that popups from a sandboxed iframe do not escape the sandbox

    assert_equals: It came from a sandboxed iframe expected "null" but got "http://web-platform.test:8000"
    

• OK /html/semantics/forms/form-submission-0/text-plain.window.html (#28687)
  • PASS [expected FAIL] subtest: text/plain: backslash in filename (formdata event)
• TIMEOUT [expected OK] /performance-timeline/navigation-id-detached-frame.tentative.html (#34773)
  • TIMEOUT [expected PASS] subtest: The navigation_id getter does not crash a window of detached frame

    Test timed out
    

• OK /resize-observer/change-layout-in-error.html (#32629)
  • PASS [expected FAIL] subtest: Changing layout in window error handler should not result in lifecyle loop when resize observer loop limit is reached.
• TIMEOUT [expected OK] /webmessaging/without-ports/018.html (#24485)
  • TIMEOUT [expected PASS] subtest: origin of the script that invoked the method, javascript:

    Test timed out
    

• OK [expected ERROR] /webxr/render_state_update.https.html (#27535)
• OK /workers/WorkerGlobalScope-close.html (#23064)
  • PASS [expected FAIL] subtest: Test sending a message after closing.

Stable unexpected results that are known to be intermittent (10)

• FAIL [expected PASS] /_mozilla/css/dirty_viewport.html (#13731)
• OK /html/browsers/browsing-the-web/navigating-across-documents/empty-iframe-load-event.html (#29066)
  • PASS [expected FAIL] subtest: Check execution order on load handler
  • PASS [expected FAIL] subtest: Check execution order from nested timeout
• OK /html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-nosrc.html (#34819)
  • PASS [expected FAIL] subtest: link click
• OK /html/browsers/browsing-the-web/navigating-across-documents/refresh/same-document-refresh.html (#34597)
  • FAIL [expected PASS] subtest: Same-Document Referrer from Refresh

    assert_equals: original page loads expected "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section" but got "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section#section"
    

• OK /html/browsers/history/the-history-interface/traverse_the_history_5.html (#21383)
  • FAIL [expected PASS] subtest: Multiple history traversals, last would be aborted

    assert_array_equals: Pages opened during history navigation expected property 1 to be 5 but got 3 (expected array [6, 5] got [6, 3])
    

• CRASH [expected OK] /html/canvas/offscreen/canvas-host/2d.canvas.host.size.large.worker.html (#30164)
• CRASH [expected TIMEOUT] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html (#24057)
• OK /navigation-timing/test-navigation-type-reload.html (#33334)
  • PASS [expected FAIL] subtest: Reload domComplete > Original domComplete
  • PASS [expected FAIL] subtest: Reload domContentLoadedEventStart > Original domContentLoadedEventStart
  • PASS [expected FAIL] subtest: Reload domInteractive > Original domInteractive
  • PASS [expected FAIL] subtest: Reload fetchStart > Original fetchStart
  • PASS [expected FAIL] subtest: Reload loadEventEnd > Original loadEventEnd
  • PASS [expected FAIL] subtest: Reload loadEventStart > Original loadEventStart
• OK [expected TIMEOUT] /webstorage/localstorage-about-blank-3P-iframe-opens-3P-window.partitioned.html (#29053)
  • PASS [expected TIMEOUT] subtest: StorageKey: test 3P about:blank window opened from a 3P iframe
• OK [expected ERROR] /workers/constructors/Worker/Worker-constructor.html (#22991)

Stable unexpected results (7)

• OK /html/canvas/element/fill-and-stroke-styles/2d.fillStyle.relativecolor.currentcolor.html
  • PASS [expected FAIL] subtest: Relative color works as color input with currentcolor
• OK /html/canvas/element/fill-and-stroke-styles/2d.fillStyle.relativecolor.html
  • PASS [expected FAIL] subtest: Relative color works as color input
• OK /html/canvas/element/fill-and-stroke-styles/2d.strokeStyle.relativecolor.html
  • PASS [expected FAIL] subtest: Relative color works as color input
• OK /html/canvas/offscreen/fill-and-stroke-styles/2d.fillStyle.relativecolor.html
  • PASS [expected FAIL] subtest: Relative color works as color input
• OK /html/canvas/offscreen/fill-and-stroke-styles/2d.fillStyle.relativecolor.worker.html
  • PASS [expected FAIL] subtest: Relative color works as color input
• OK /html/canvas/offscreen/fill-and-stroke-styles/2d.strokeStyle.relativecolor.html
  • PASS [expected FAIL] subtest: Relative color works as color input
• OK /html/canvas/offscreen/fill-and-stroke-styles/2d.strokeStyle.relativecolor.worker.html
  • PASS [expected FAIL] subtest: Relative color works as color input

[github-actions]

⚠️ Try run (#12673472183) failed.