Save Play user id when ARC user gets a Managed Google Play account

components/policy/core/common/policy_pref_names.cc

Index: components/policy/core/common/policy_pref_names.cc
diff --git a/components/policy/core/common/policy_pref_names.cc b/components/policy/core/common/policy_pref_names.cc
index d788866dd033b81b070c1b408f728466a0c6da74..7fd1c7622c84e5082624ab6a61db0213b7a1b4b4 100644
--- a/components/policy/core/common/policy_pref_names.cc
+++ b/components/policy/core/common/policy_pref_names.cc
@@ -7,6 +7,12 @@
 namespace policy {
 namespace policy_prefs {
 
+// Stores the user id received from DM Server when enrolling a Play user on an
+// Active Directory managed device. Used to report to DM Server that the account
+// is still used.
+const char kActiveDirectoryPlayUserId[] =
+    "policy.active_directory_play_user_id";
+
 // 64-bit serialization of the time last policy usage statistics were collected
 // by UMA_HISTOGRAM_ENUMERATION.
 const char kLastPolicyStatisticsUpdate[] = "policy.last_statistics_update";