Add support for multiple allowed domains

remoting/host/policy_watcher_unittest.cc

Index: remoting/host/policy_watcher_unittest.cc
diff --git a/remoting/host/policy_watcher_unittest.cc b/remoting/host/policy_watcher_unittest.cc
index 7df7c7d772b94dbc1f2c5a54abdd9eef91db4439..992bcfd50acbef2656c15163d004d27b4521c6d2 100644
--- a/remoting/host/policy_watcher_unittest.cc
+++ b/remoting/host/policy_watcher_unittest.cc
@@ -251,7 +251,11 @@ class PolicyWatcherTest : public testing::Test {
     dict.SetBoolean(key::kRemoteAccessHostAllowRelayedConnection, true);
     dict.SetString(key::kRemoteAccessHostUdpPortRange, "");
     dict.SetString(key::kRemoteAccessHostClientDomain, std::string());
+    dict.Set(key::kRemoteAccessHostClientDomainList,
+             base::MakeUnique<base::ListValue>());
     dict.SetString(key::kRemoteAccessHostDomain, std::string());
+    dict.Set(key::kRemoteAccessHostDomainList,
+             base::MakeUnique<base::ListValue>());
     dict.SetBoolean(key::kRemoteAccessHostMatchUsername, false);
     dict.SetString(key::kRemoteAccessHostTalkGadgetPrefix,
                    kDefaultHostTalkGadgetPrefix);