google-breakpad: cherry-pick @830 from upstream

BUG=chromium-os:21903
TEST=CrashSender/UserCrash autotests
Verify debug id in core2md minidump matches that generated from build-id

Change-Id: Ia5e3c6462e4c3c5ea9e1918f1b7cfb4d6d2af4c0
Reviewed-on: http://gerrit.chromium.org/gerrit/10610
Tested-by: Ken Mixter <kmixter@chromium.org>
Commit-Ready: Ken Mixter <kmixter@chromium.org>
Reviewed-by: Darin Petkov <petkov@chromium.org>
3 files changed