GitLab

The spec[1] says that the boundingBox attribute should be
DOMRectReadOnly instead of DOMRect.

[1] https://github.com/WICG/shape-detection-api/pull/41

Bug: 852838
Change-Id: I8666d56fcaf4ac77c29b497827b410ec0aeaa916
Reviewed-on: https://chromium-review.googlesource.com/1102838Reviewed-by: Miguel Casas <mcasas@chromium.org>
Commit-Queue: Byoungkwon Ko <codeimpl@gmail.com>
Cr-Commit-Position: refs/heads/master@{#570763}