Added a PolicyDomainDescriptor.

chrome/browser/policy/policy_service_impl.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 CHROME_BROWSER_POLICY_POLICY_SERVICE_IMPL_H_
 #define CHROME_BROWSER_POLICY_POLICY_SERVICE_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 21 matching lines @@
   // the providers, and they must outlive the PolicyServiceImpl.
   explicit PolicyServiceImpl(const Providers& providers);
   virtual ~PolicyServiceImpl();
 
   // PolicyService overrides:
   virtual void AddObserver(PolicyDomain domain,
                            PolicyService::Observer* observer) OVERRIDE;
   virtual void RemoveObserver(PolicyDomain domain,
                               PolicyService::Observer* observer) OVERRIDE;
   virtual void RegisterPolicyDomain(
-      PolicyDomain domain,
-      const std::set<std::string>& components) OVERRIDE;
+      scoped_refptr<const PolicyDomainDescriptor> descriptor) OVERRIDE;
   virtual const PolicyMap& GetPolicies(
       const PolicyNamespace& ns) const OVERRIDE;
   virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE;
   virtual void RefreshPolicies(const base::Closure& callback) OVERRIDE;
 
  private:
   typedef ObserverList<PolicyService::Observer, true> Observers;
   typedef std::map<PolicyDomain, Observers*> ObserverMap;
 
   // Information about policy changes sent to observers.
@@ skipping 57 matching lines @@
   // Used to create tasks to delay new policy updates while we may be already
   // processing previous policy updates.
   base::WeakPtrFactory<PolicyServiceImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyServiceImpl);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_POLICY_SERVICE_IMPL_H_