Remove policy watching from It2MeHost.

remoting/host/policy_watcher.h

Index: remoting/host/policy_watcher.h
diff --git a/remoting/host/policy_watcher.h b/remoting/host/policy_watcher.h
index 5523b8478969d01b7c5d80c52896d0b5c0459d3f..4b8cb766d0691a8e54590a1bb2b1568e5be63858 100644
--- a/remoting/host/policy_watcher.h
+++ b/remoting/host/policy_watcher.h
@@ -59,6 +59,9 @@ class PolicyWatcher : public policy::PolicyService::Observer,
       const PolicyUpdatedCallback& policy_updated_callback,
       const PolicyErrorCallback& policy_error_callback);
 
+  // Return the current policies.
+  std::unique_ptr<base::DictionaryValue> GetCurrentPolicies();
+
   // Specify a |policy_service| to borrow (on Chrome OS, from the browser
   // process) or specify nullptr to internally construct and use a new
   // PolicyService (on other OS-es). PolicyWatcher must be used on the thread on