Define cros event names for chaps database failures.

BUG=chrome-os-partner:17610
TEST=emerge

Change-Id: Ic12379645ad1c72388aa4a4758fa4bea5b2f554d
Reviewed-on: https://gerrit.chromium.org/gerrit/62698
Reviewed-by: Gaurav Shah <gauravsh@chromium.org>
Commit-Queue: Darren Krahn <dkrahn@chromium.org>
Tested-by: Darren Krahn <dkrahn@chromium.org>
diff --git a/metrics/metrics_library.cc b/metrics/metrics_library.cc
index e5aaae6..12ad226 100644
--- a/metrics/metrics_library.cc
+++ b/metrics/metrics_library.cc
@@ -37,6 +37,9 @@
   "ModemManagerCommandSendFailure",  // 0
   "HwWatchdogReboot",  // 1
   "Cras.NoCodecsFoundAtBoot",  // 2
+  "Chaps.DatabaseCorrupted",  // 3
+  "Chaps.DatabaseRepairFailure",  // 4
+  "Chaps.DatabaseCreateFailure",  // 5
 };
 
 time_t MetricsLibrary::cached_enabled_time_ = 0;