Refactored ConfigurationPolicyProvider to provide PolicyBundles instead of PolicyMaps.

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_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 45 matching lines @@
   virtual ~PolicyService() {}
 
   virtual void AddObserver(PolicyDomain domain,
                            const std::string& component_id,
                            Observer* observer) = 0;
 
   virtual void RemoveObserver(PolicyDomain domain,
                               const std::string& component_id,
                               Observer* observer) = 0;
 
-  // Returns NULL if no policies are available for |domain|, | component_id|.
-  virtual const PolicyMap* GetPolicies(
+  virtual const PolicyMap& GetPolicies(
       PolicyDomain domain,
       const std::string& component_id) const = 0;
 
   // The PolicyService loads policy from several sources, and some require
   // asynchronous loads. IsInitializationComplete() returns true once all
   // sources have loaded their policies. 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()
@@ skipping 43 matching lines @@
   PolicyDomain domain_;
   std::string component_id_;
   CallbackMap callback_map_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyChangeRegistrar);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_POLICY_SERVICE_H_