Rebaseline css/css-images/image-set/image-set-parsing.html

Bug: 1166602
Change-Id: Ic98fb9e170c264f943b65a80919234865a8dec40
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2629272Reviewed-by: Rune Lillesveen <futhark@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843546}

third_party/blink/web_tests/TestExpectations

@@ -5849,7 +5849,6 @@ crbug.com/1164459 [ Mac10.15 ] external/wpt/preload/download-resources.html [ Pa
 
 # Sheriff 2021-01-14
 crbug.com/1166540 [ Mac ] ietestcenter/css3/bordersbackgrounds/background-attachment-local-scrolling.htm [ Pass Failure ]
-crbug.com/1166602 external/wpt/css/css-images/image-set/image-set-parsing.html [ Pass Failure ]
 
 # CSS spelling and grammar features (issue 1163437)
 crbug.com/1147859 external/wpt/css/css-pseudo/highlight-painting-order.html [ Failure ]

third_party/blink/web_tests/platform/mac-mac-arm11.0/external/wpt/css/css-images/image-set/image-set-parsing-expected.txt

-This is a testharness.js-based test.
-FAIL background-image: image-set(url(example.png) 1x) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set(url('example.png') 1x) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set('example.jpg' 1x) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set(url(example.png) 1x, 'example.png' 2x) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set(url(example.png) 1dppx) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set(url(example.png) 1dpi) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set(url(example.png) 1dpcm, 'example.png' 2x) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set('example.jpeg' 222dpi, url(example.png) 3.5x) [ parsable ] assert_equals: expected true but got false
-FAIL background-image: image-set(linear-gradient(black, white) 1x) [ parsable ] assert_equals: expected true but got false
-FAIL content: image-set(linear-gradient(black, white) 1x, 'example.png' 4x) [ parsable ] assert_equals: expected true but got false
-FAIL content: image-set(url('example.png') 192dpi, linear-gradient(black, white) 1x) [ parsable ] assert_equals: expected true but got false
-PASS background-image: image-set(url(example.png) 0x) [ unparsable ]
-PASS background-image: image-set(url(example.png) -20x) [ unparsable ]
-PASS background-image: image-set('example.jpeg' 92pid url(example.png) 1x) [ unparsable ]
-PASS cursor: image-set(linear-gradient(black, white) 1x) [ unparsable ]
-Harness: the test ran to completion.
-