GitLab

This is a reland of 4898ea48

Adds a missing export directive which was breaking component builds.

Original change's description:
> [Fuchsia] Add support for selectively enabling input types.
>
> * Implements the FIDL ConfigureInputTypes() API, for embedder control
> over whether input events should be routed to web content or ignored.
> * Transitions CastRunner to use ConfigureInputTypes().
> * Removes the deprecated SetInputEnabled() method.
>
> Bug: 1031776
> Change-Id: I54e0b5c3b5a92935e6860e037edc6bc5a92eaa42
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1956154
> Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
> Reviewed-by: David Dorwin <ddorwin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#755219}

TBR=ddorwin@chromium.org

Bug: 1031776
Change-Id: Ia0047b56ce7ac8b28b25d0853f4d772d94cec68b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2132854Reviewed-by: Kevin Marshall <kmarshall@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755450}