GitLab

Switched to do ReadVarint64 from CodedInputStream. Each blocklist check
would involve a file scan on the background.

Bug: 1062736
Change-Id: I6b0153e8a8e39025a4bf9485a837897767b3abde
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2440305
Commit-Queue: Yao Xiao <yaoxia@chromium.org>
Reviewed-by: Josh Karlin <jkarlin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812875}