chore: cherry-pick 349a35b19 from chromium #32803
Merged
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Subject: Handle PotentiallyDanglingMarkup() for CSSImageValue
The flag was lost in the KURL -> String -> KURL conversions. Store the
flag on CSSImageValue and always re-resolve from the original relative
url before fetching when that flag is set. The blocking happens in
BaseFetchContext::CanRequestInternal().
Bug: 1039885
Change-Id: Ia5777739a0ee0bee591163873926d19e0ea014bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3226142
Reviewed-by: Anders Hartvoll Ruud andruud@chromium.org
Reviewed-by: Mike West mkwst@chromium.org
Commit-Queue: Rune Lillesveen futhark@chromium.org
Cr-Commit-Position: refs/heads/main@{#932004}
Notes: Security: backported fix for chromium:1039885