Added PIN-less auth policy.

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 23e2209ab3a600c91108cf56f46ee27a155b5165..7c9e4d094e381ebf7eee30aa53636e9724fe9637 100644
--- a/remoting/host/policy_hack/policy_watcher.h
+++ b/remoting/host/policy_hack/policy_watcher.h
@@ -55,7 +55,9 @@ class PolicyWatcher {
   // The name of the host domain policy.
   static const char kHostDomainPolicyName[];
 
-  // The name of the username policy.
+  // The name of the username policy. This policy is ignored on Windows.
+  // This policy is currently considered 'internal only' and so is not
+  // documented in policy_templates.json.
   static const char kHostMatchUsernamePolicyName[];
 
   // The name of the policy that controls the host talkgadget prefix.
@@ -68,6 +70,9 @@ class PolicyWatcher {
   static const char kHostTokenUrlPolicyName[];
   static const char kHostTokenValidationUrlPolicyName[];
 
+  // The name of the policy for disabling PIN-less authentication.
+  static const char kHostAllowClientPairing[];
+
   // The name of the policy for overriding policies, for use in testing.
   static const char kHostDebugOverridePoliciesName[];