GitLab

Switching to using a base::OnceClosure when calling
RemotingDataStreamSender::set_connection_error_handler as
it explicitly accepts a base::OnceClosure (see
mojo/public/cpp/bindings/interface_ptr.h).

TBR=erickung@chromium.org

Bug: 1007810
Change-Id: I02aa1ea954c961b1a1158fc817969d5404936e81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1880147Reviewed-by: Chris Mumford <cmumford@google.com>
Commit-Queue: Chris Mumford <cmumford@google.com>
Cr-Commit-Position: refs/heads/master@{#714019}