GitLab

Add SetBlockMediaLoading() to ApplicationController to enable media
loading to be blocked, and passes the call to fuchsia.web.Frame.

Bug: 1057860
Change-Id: Ib3c53e35d3fd1ffe2e43d01991ab7d85e2f025e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2083565
Commit-Queue: Sharon Yang <yangsharon@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760084}