Extracting proxy resolver Mojo files from net/ to their own service.

In preparation of making proxy resolver a Mojo service, moving the
related Mojo files from net/ to the new services/proxy_resolver
directory.

Also some minor clean-ups:
- proxy_resolver_service.mojom renamed to proxy_resolver.mojom
- changing the namespace in proxy_resolver_service.mojom from
  net::interfaces to proxy_resolver::mojom
- replaced base::ThreadChecker with base::SequenceChecker in
  proxy_resolver_factory_mojo.cc to appease the gn warning.

Bug: 765395
Tbr: sky
Change-Id: Ie133e1edfe73afa54608503030fbe85a41f4f6cd
Reviewed-on: https://chromium-review.googlesource.com/667406
Commit-Queue: Jay Civelli <jcivelli@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Charlie Reis <creis@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Matt Menke <mmenke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506081}

CrOS-Libchrome-Original-Commit: 1c14aadbf4796703211ed413bc21d8923bc0e6df
1 file changed
tree: 5ed06234f19b6708b61bb67c386f8057d57f3a0e
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/