Use PLOG instead of LOG with strerror()

This patch replaces "LOG() << ... << strerror(errno)" by "PLOG() << ..."
when possible, which provides equivalent functionality.

BUG=None
TEST=cbuildbot amd64-generic-full

Change-Id: I760689818a3647efa980c96305a0bc8cf0bb4ac0
Reviewed-on: https://chromium-review.googlesource.com/264834
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Trybot-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
1 file changed