Use mojo::FusePipes in ScenicGpuService::Initialize

We get rid of a helper function, replacing it with a function with the
same purpose provided by the Mojo bindings. Also add comments on the
purpose of the function and why it's using FusePipes.

Bug: 955171
Change-Id: I52aaa8a3b031fee0d39b11243d89627e5131f3b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1890036
Commit-Queue: Michael Spang <spang@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711388}
1 file changed