Add a datatype for supervised user whitelists.

sync/protocol/proto_value_conversions.h

Index: sync/protocol/proto_value_conversions.h
diff --git a/sync/protocol/proto_value_conversions.h b/sync/protocol/proto_value_conversions.h
index aae3507193e9d01633747b27ec5b27ae0f3e5b87..960ee456ea0dc66bdc57d6bd482ac38cc5adf25b 100644
--- a/sync/protocol/proto_value_conversions.h
+++ b/sync/protocol/proto_value_conversions.h
@@ -49,6 +49,7 @@ class Media;
 class ManagedUserSettingSpecifics;
 class ManagedUserSharedSettingSpecifics;
 class ManagedUserSpecifics;
+class ManagedUserWhitelistSpecifics;
 class NavigationRedirect;
 class NigoriSpecifics;
 class PasswordSpecifics;
@@ -204,6 +205,10 @@ SYNC_EXPORT_PRIVATE base::DictionaryValue*
         const sync_pb::ManagedUserSharedSettingSpecifics&
             managed_user_shared_setting_specifics);
 
+SYNC_EXPORT_PRIVATE base::DictionaryValue* ManagedUserWhitelistSpecificsToValue(
+    const sync_pb::ManagedUserWhitelistSpecifics&
+        managed_user_whitelist_specifics);
+
 SYNC_EXPORT_PRIVATE base::DictionaryValue* MediaToValue(
     const sync_pb::Media& media);