Policy providers all get a SchemaRegistry to work with.

chrome/browser/policy/policy_service.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_H_
 #define CHROME_BROWSER_POLICY_POLICY_SERVICE_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
-#include "base/memory/ref_counted.h"
 #include "chrome/browser/policy/policy_map.h"
 #include "components/policy/core/common/policy_namespace.h"
 
 namespace policy {
 
-class PolicyDomainDescriptor;
-
 // The PolicyService merges policies from all available sources, taking into
 // account their priorities. Policy clients can retrieve policy for their domain
 // and register for notifications on policy updates.
 //
 // The PolicyService is available from BrowserProcess as a global singleton.
 // There is also a PolicyService for browser-wide policies available from
 // BrowserProcess as a global singleton.
 class PolicyService {
  public:
   class Observer {
@@ skipping 16 matching lines @@
     virtual ~Observer() {}
   };
 
   virtual ~PolicyService() {}
 
   // Observes changes to all components of the given |domain|.
   virtual void AddObserver(PolicyDomain domain, Observer* observer) = 0;
 
   virtual void RemoveObserver(PolicyDomain domain, Observer* observer) = 0;
 
-  // Registers the |descriptor| of a policy domain, indicated by
-  // |descriptor->domain()|. This overrides the descriptor previously set, if
-  // there was one.
-  // This registration signals that there is interest in receiving policy for
-  // the components listed in the descriptor. The policy providers will try to
-  // load policy for these components, and validate it against the descriptor.
-  // Cached data for components that aren't registered anymore may be dropped.
-  virtual void RegisterPolicyDomain(
-      scoped_refptr<const PolicyDomainDescriptor> descriptor) = 0;
-
   virtual const PolicyMap& GetPolicies(const PolicyNamespace& ns) const = 0;
 
-  virtual scoped_refptr<const PolicyDomainDescriptor> GetPolicyDomainDescriptor(
-      PolicyDomain domain) const = 0;
-
   // The PolicyService loads policy from several sources, and some require
   // asynchronous loads. IsInitializationComplete() returns true once all
   // sources have loaded their policies for the given |domain|.
   // It is safe to read policy from the PolicyService even if
   // IsInitializationComplete() is false; there will be an OnPolicyUpdated()
   // notification once new policies become available.
   //
   // OnPolicyServiceInitialized() is called when IsInitializationComplete()
   // becomes true, which happens at most once for each domain.
   // If IsInitializationComplete() is already true for |domain| when an Observer
@@ skipping 39 matching lines @@
   PolicyService* policy_service_;
   PolicyNamespace ns_;
   CallbackMap callback_map_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyChangeRegistrar);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_POLICY_SERVICE_H_