Re-enable pre-read experiment as a finch field trial.

This CL revives an expired pre-read experiment as a Finch field trial. About 2 months ago the expired experiment, and its fallback behaviour, were removed and there was a subsequent performance regression. 

R=cpu, asvitkine
BUG=245435, 280721

Review URL: https://chromiumcodereview.appspot.com/23534009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@223070 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: bffce7c3eea6054b62df79bb36f89ff2b6fc68a4
1 file changed
tree: 8397136b4abdd781be4a539bac70cae2cbbbeb63
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. ipc/
  6. mojo/
  7. testing/
  8. third_party/
  9. ui/