This change makes it more clear that there are three different
capture API combinations for screen sharing on Windows.
No option => GDI without fallback.
DirectX option => DirectX with GDI as fallback
Magnifier option => Magnifier API with GDI as fallback
Previously, if both DirectX and Magnifier were enabled, the end
result was Magnifier for unknown reasons.
With this change in place, we can remove usage of the Magnifier API
in Chrome and switch between DirectX and GDI simply by allowing
DirectX or not.
Bug: None
Change-Id: Ice915d6721fa84a25d275f22246df73fc61f64b5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/299061
Commit-Queue: Henrik Andreassson <henrika@webrtc.org>
Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Cr-Commit-Position: refs/heads/main@{#39692}
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