[Chromoting] Add names of host policies for requiring 2-factor auth, and for the talkgadget name.

remoting/host/policy_hack/policy_watcher.h

Index: remoting/host/policy_hack/policy_watcher.h
diff --git a/remoting/host/policy_hack/policy_watcher.h b/remoting/host/policy_hack/policy_watcher.h
index 123073dde2be7b7156749e9bb55c4d32aec7ec83..1a748f046afad460abd3fad2f1f872b9c1d27101 100644
--- a/remoting/host/policy_hack/policy_watcher.h
+++ b/remoting/host/policy_hack/policy_watcher.h
@@ -49,9 +49,15 @@ class PolicyWatcher {
   // The name of the NAT traversal policy.
   static const char kNatPolicyName[];
 
+  // The name of the policy for requiring 2-factor authentication.
+  static const char kRequireTwoFactorPolicyName[];
+
   // The name of the host domain policy.
   static const char kHostDomainPolicyName[];
 
+  // The name of the talkgadget policy.
+  static const char kTalkGadgetPolicyName[];
+
  protected:
   virtual void StartWatchingInternal() = 0;
   virtual void StopWatchingInternal() = 0;