GitLab

- Adds cache type parameter to disk_cache::PreferredSize.
- Changes implementation to make default cap size 50% larger in
  if cache type is net::GENERATED_NATIVE_CODE_CACHE.

Bug: chromium:917510, chromium:1019999
Change-Id: Ieb5dd21aa76e387774659131a3d3aa3e6eed2889
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1937852
Commit-Queue: Bill Budge <bbudge@chromium.org>
Reviewed-by: Maksim Orlovich <morlovich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720678}