Add Chromoting curtain-mode policy.

remoting/host/policy_hack/policy_watcher.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_POLICY_HACK_POLICY_WATCHER_H_
 #define REMOTING_HOST_POLICY_HACK_POLICY_WATCHER_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
@@ skipping 40 matching lines @@
 
   // The name of the policy for requiring 2-factor authentication.
   static const char kHostRequireTwoFactorPolicyName[];
 
   // The name of the host domain policy.
   static const char kHostDomainPolicyName[];
 
   // The name of the policy that controls the host talkgadget prefix.
   static const char kHostTalkGadgetPrefixPolicyName[];
 
+  // The name of the policy for requiring curtain-mode.
+  static const char kHostRequireCurtainPolicyName[];
+
  protected:
   virtual void StartWatchingInternal() = 0;
   virtual void StopWatchingInternal() = 0;
   virtual void Reload() = 0;
 
   // Used to check if the class is on the right thread.
   bool OnPolicyWatcherThread() const;
 
   // Takes the policy dictionary from the OS specific store and extracts the
   // relevant policies.
@@ skipping 20 matching lines @@
   scoped_ptr<base::DictionaryValue> old_policies_;
 
   // Allows us to cancel any inflight FileWatcher events or scheduled reloads.
   base::WeakPtrFactory<PolicyWatcher> weak_factory_;
 };
 
 }  // namespace policy_hack
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_POLICY_HACK_POLICY_WATCHER_H_