GitLab

Original description:
Replace GzipUncompress calls with DecodeLogDataToProto.

Also, remove "ukm::", where applicable, from ukm_service_unittest.cc

Bug: 1086910

Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2222521Reviewed-by: Tommy Nyquist <nyquist@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Caitlin Fischer <caitlinfischer@google.com>
Cr-Original-Commit-Position: refs/heads/master@{#777137}
Change-Id: Ia59944a291b095755f5b9cb889f6c16b5388a704
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2248750
Cr-Commit-Position: refs/heads/master@{#780252}