dark_resume: do not write to state file when disabled
Suppress error messages like:
[0330/121432:ERROR:dark_resume.cc(262)] Failed writing "unknown" to
...: No such file or directory
BUG=chrome-os-partner:51820
TEST=`emerge-oak power_manager`
Change-Id: Ia33e21c130bf8826d4eaa7c94cb832c458cf8fe3
Reviewed-on: https://chromium-review.googlesource.com/336081
Commit-Ready: Wei-Ning Huang <wnhuang@chromium.org>
Tested-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
1 file changed
