commit a512265a14703a85bfb5d7efeeae929355b2754b
author tfarina@chromium.org <tfarina@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> Sun Aug 01 01:55:40 2010 +0900
committer Qijiang Fan <fqj@google.com> Thu Jun 04 10:37:15 2020 +0900
tree 3993d2736b004052b8bd1fa33505a47437a07d0d
parent dc071d5856bf0adfa6542129ef6309feb3c55d98

Reland r54418 - base: Add UnSetEnv function to EnvVarGetter API.

This reverts commit 7ed083f6d2b1b0a09c8bf9470386ba3e38f2feed.

It was reverted due to crbug.com/50663 started failing when I land this patch,
so I'm relanding it now again.

BUG=None
TEST=trybots

TBR=thestig@chromium.org

Review URL: http://codereview.chromium.org/3043018

Review URL: http://codereview.chromium.org/3076020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@54451 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: fc586c7e48d90dac7963906bf34c8f6382b55846