[🧹✨] Replace base::ResetAndReturn with std::move() in //net

Bug: 841899
Change-Id: Ice8a8155f34365cb2b02b46eb1d55ed328f44fd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1584629
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Auto-Submit: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: David Benjamin <davidben@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654235}
22 files changed