gclient: Upload metrics for sync'd deps.

Change-Id: I5340fa9b989cccda61e7a14b4cd30749e2f2c017
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2935003
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
diff --git a/metrics_utils.py b/metrics_utils.py
index 5a7c77e..1df2d05 100644
--- a/metrics_utils.py
+++ b/metrics_utils.py
@@ -27,6 +27,9 @@
 REPORT_BUILD = os.getenv('DEPOT_TOOLS_REPORT_BUILD')
 COLLECT_METRICS = os.getenv('DEPOT_TOOLS_COLLECT_METRICS') != '0'
 
+SYNC_STATUS_SUCCESS = 'SYNC_STATUS_SUCCESS'
+SYNC_STATUS_FAILURE = 'SYNC_STATUS_FAILURE'
+
 
 def get_notice_countdown_header(countdown):
   if countdown == 0: