This change makes CroppingWindowCapturer::CreateCapturer respect the
detect_updated_region flag if set in the options it's passed on Windows.
Frames captured by the created capturer will now make changes available
via DesktopFrame.updated_region().
Bug: webrtc:10833
Change-Id: Ib973bc58745ebf6e216a7b31f82abec3c6dc9556
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/147002
Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Commit-Queue: Jamie Walch <jamiewalch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#28694}