GitLab

This CL cleans up unused using aliases of MirrorServiceRemoter{Ptr,
Request} and MirrorServiceRemotingSource{Ptr, Request} in
cast_remoting_connector_unittest.cc since old Mojo types of them
was already converted.

Bug: 955171
Change-Id: I0f7fc2717418b9f752728435541d8f466593e625
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1882261Reviewed-by: Frank Liberato <liberato@chromium.org>
Commit-Queue: Miyoung Shin <myid.shin@igalia.com>
Cr-Commit-Position: refs/heads/master@{#710131}