[Chromoting] Add a host domain policy to the PolicyWatcher.

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 31 matching lines @@
   virtual void StopWatching(base::WaitableEvent* done);
 
   // Implemented by each platform.  This message loop should be an IO message
   // loop.
   static PolicyWatcher* Create(
       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   // The name of the NAT traversal policy.
   static const char kNatPolicyName[];
 
+  // The name of the host domain policy.
+  static const char kHostDomainPolicyName[];
+
  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.
   void UpdatePolicies(const base::DictionaryValue* new_policy);
 
   // Used for time-based reloads in case something goes wrong with the
   // notification system.
   void ScheduleFallbackReloadTask();
   void ScheduleReloadTask(const base::TimeDelta& delay);
 
   // The names of policies with boolean values.
   static const char* const kBooleanPolicyNames[];
   static const int kBooleanPolicyNamesNum;
 
+  // The names of policies with string values.
+  static const char* const kStringPolicyNames[];
+  static const int kStringPolicyNamesNum;
+
  private:
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   PolicyCallback policy_callback_;
 
   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_