Remove policy watching from It2MeHost.

remoting/host/it2me/it2me_native_messaging_host_unittest.cc

Index: remoting/host/it2me/it2me_native_messaging_host_unittest.cc
diff --git a/remoting/host/it2me/it2me_native_messaging_host_unittest.cc b/remoting/host/it2me/it2me_native_messaging_host_unittest.cc
index 072bfb6d2a8ce15b36559c4b8b33b92b0d30f74b..382587b2196a96f37f1379e36d2511c50be2d857 100644
--- a/remoting/host/it2me/it2me_native_messaging_host_unittest.cc
+++ b/remoting/host/it2me/it2me_native_messaging_host_unittest.cc
@@ -125,13 +125,11 @@ void FakePolicyService::RefreshPolicies(const base::Closure& callback) {
 class MockIt2MeHost : public It2MeHost {
  public:
   MockIt2MeHost(std::unique_ptr<ChromotingHostContext> context,
-                std::unique_ptr<PolicyWatcher> policy_watcher,
                 base::WeakPtr<It2MeHost::Observer> observer,
                 std::unique_ptr<SignalStrategy> signal_strategy,
                 const std::string& username,
                 const std::string& directory_bot_jid)
       : It2MeHost(std::move(context),
-                  std::move(policy_watcher),
                   /*confirmation_dialog_factory=*/nullptr,
                   observer,
                   std::move(signal_strategy),
@@ -229,8 +227,7 @@ scoped_refptr<It2MeHost> MockIt2MeHostFactory::CreateIt2MeHost(
     std::unique_ptr<SignalStrategy> signal_strategy,
     const std::string& username,
     const std::string& directory_bot_jid) {
-  return new MockIt2MeHost(std::move(context),
-                           /*policy_watcher=*/nullptr, observer,
+  return new MockIt2MeHost(std::move(context), observer,
                            std::move(signal_strategy), username,
                            directory_bot_jid);
 }