Introduced a ForwardingPolicyProvider.

chrome/browser/policy/configuration_policy_provider.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_CONFIGURATION_POLICY_PROVIDER_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 51 matching lines @@
   // which are guaranteed to happen even if the refresh fails.
   // It is possible that Shutdown() is called first though, and
   // OnUpdatePolicy won't be called if that happens.
   virtual void RefreshPolicies() = 0;
 
   // Observers must detach themselves before the provider is deleted.
   virtual void AddObserver(Observer* observer);
   virtual void RemoveObserver(Observer* observer);
 
   // SchemaRegistry::Observer:
-  // This base implementation calls RefreshPolicies if
-  // |has_new_schemas| is true.
   virtual void OnSchemaRegistryUpdated(bool has_new_schemas) OVERRIDE;
+  virtual void OnSchemaRegistryReady() OVERRIDE;
 
  protected:
   // Subclasses must invoke this to update the policies currently served by
   // this provider. UpdatePolicy() takes ownership of |policies|.
   // The observers are notified after the policies are updated.
   void UpdatePolicy(scoped_ptr<PolicyBundle> bundle);
 
   const scoped_refptr<SchemaMap>& schema_map() const;
 
  private:
   // The policies currently configured at this provider.
   PolicyBundle policy_bundle_;
 
   // Whether Shutdown() has been invoked.
   bool did_shutdown_;
 
   SchemaRegistry* schema_registry_;
 
   ObserverList<Observer, true> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyProvider);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_H_