Bug 1747279 [wpt PR 32174] - Make Transform::TransformRRectF tolerate values within...

Bug 1747279 [wpt PR 32174] - Make Transform::TransformRRectF tolerate values within kEpsilon of 0., a=testonly

Automatic update from web-platform-tests
Make Transform::TransformRRectF tolerate values within kEpsilon of 0.

This changes Transform::TransformRRectF so that it doesn't fail due to
lack of axis-alignment in cases where
Transform::Preserves2dAxisAlignment is true, by adjusting relevant
values that are within kEpsilon of 0.

This change prevents us from (a) deciding that we can take the
border-radius fast path, and then (b) having that fast path fail.

Fixed: 1207151
Change-Id: I2ae31ec86f4f4a32ae02fc1bc6b4815b253cda2f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3353877
Reviewed-by: danakj chromium <danakj@chromium.org>
Commit-Queue: David Baron <dbaron@chromium.org>
Cr-Commit-Position: refs/heads/main@{#953613}

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wpt-commits: 49c973633a519d3f43a3778eb0d913604c719336
wpt-pr: 32174