tree 1e4266e1dc535c072e6c82b1c3fb8456e78fc6ab
parent b9f81779c90c4446bbcc3b53749692ed5b64017b
author Greg Kerr <kerrnel@chromium.org> 1468950423 -0700
committer chrome-bot <chrome-bot@chromium.org> 1468971112 -0700

chroot hook: Unmerge old libchrome when switching to new slot

libchrome is being uprevved one commit to include the version.cc files.
This does not actually bump it's Chromium revision.

BUG=chromium:588220
TEST=emerge-${BOARD} chromeos-base/libchrome
CQ-DEPEND=CL:361410

Change-Id: I6559a50a4aa5430085b057a04a3341867fb8260b
Reviewed-on: https://chromium-review.googlesource.com/361584
Commit-Ready: Greg Kerr <kerrnel@chromium.org>
Tested-by: Greg Kerr <kerrnel@chromium.org>
Reviewed-by: Luis Hector Chavez <lhchavez@google.com>