GitLab

https://chromium-review.googlesource.com/c/chromium/src/+/1660794
https://chromium-review.googlesource.com/c/chromium/src/+/1641133

The above 2 changes updated the WMHelper interface without updating the
Cast implementation.

Bug: None
Test: Compiled a Cast build
Change-Id: If2c5b6092a301f24197114255ba72b593ab1f5b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1678779Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Reviewed-by: Alex Sakhartchouk <alexst@chromium.org>
Commit-Queue: Daniel Nicoara <dnicoara@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672607}