Add view-transition-capture-mode CSS property
This property has the values of flat | layered, layered by
default.
- Flat is the current way we capture view transition content
- Layered is the new way, which captures box decorations and
effects as style instead of baking them into the image.
Bug: 347947051
Change-Id: If70c8436ef34d194002452447dbd2d5ebedfa387
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5935195
Commit-Queue: Noam Rosenthal nrosenthal@chromium.org
Reviewed-by: Khushal Sagar khushalsagar@chromium.org
Cr-Commit-Position: refs/heads/main@{#1369285}