libchromeos: Add D-Bus method invoker helpers
Add helpers that allow to invoke D-Bus methods with a single
C++ function call and parse/validate return values and handle
possible errors.
BUG=None
TEST=FEATURES=test emerge-link libchromeos
Change-Id: I975879de3a6ca622321ed37a4652465fa4f85475
Reviewed-on: https://chromium-review.googlesource.com/215684
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
3 files changed