Policy providers all get a SchemaRegistry to work with.

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 20 matching lines @@
   // have the highest priority. The PolicyServiceImpl does not take ownership of
   // 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(
-      scoped_refptr<const PolicyDomainDescriptor> descriptor) OVERRIDE;
   virtual const PolicyMap& GetPolicies(
       const PolicyNamespace& ns) const OVERRIDE;
-  virtual scoped_refptr<const PolicyDomainDescriptor> GetPolicyDomainDescriptor(
-      PolicyDomain domain) 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;
 
   // ConfigurationPolicyProvider::Observer overrides:
   virtual void OnUpdatePolicy(ConfigurationPolicyProvider* provider) OVERRIDE;
 
@@ skipping 13 matching lines @@
 
   // Invokes all the refresh callbacks if there are no more refreshes pending.
   void CheckRefreshComplete();
 
   // The providers passed in the constructor, in order of decreasing priority.
   Providers providers_;
 
   // Maps each policy namespace to its current policies.
   PolicyBundle policy_bundle_;
 
-  // Maps each policy domain to its current descriptor.
-  scoped_refptr<const PolicyDomainDescriptor>
-      domain_descriptors_[POLICY_DOMAIN_SIZE];
-
   // Maps each policy domain to its observer list.
   ObserverMap observers_;
 
   // True if all the providers are initialized for the indexed policy domain.
   bool initialization_complete_[POLICY_DOMAIN_SIZE];
 
   // Set of providers that have a pending update that was triggered by a
   // call to RefreshPolicies().
   std::set<ConfigurationPolicyProvider*> refresh_pending_;
 
   // List of callbacks to invoke once all providers refresh after a
   // RefreshPolicies() call.
   std::vector<base::Closure> refresh_callbacks_;
 
   // Used to create tasks to delay new policy updates while we may be already
   // processing previous policy updates.
   base::WeakPtrFactory<PolicyServiceImpl> update_task_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyServiceImpl);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_POLICY_SERVICE_IMPL_H_