
When printing from an ARC app, use the provided PrintRenderer to render a preview document for pint preview. Also, flatten the preview document received from ARC before displaying it in print preview. Bug: b:140576300 Test: Print from an ARC app and verify a preview document is displayed Change-Id: Iae7dcb2184afea51300f2d68edf3af40e55e6f13 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1853324 Reviewed-by: Daniel Cheng <dcheng@chromium.org> Reviewed-by: Brian White <bcwhite@chromium.org> Reviewed-by: Yusuke Sato <yusukes@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Jesse Schettler <jschettler@chromium.org> Cr-Commit-Position: refs/heads/master@{#713013}