Make policy errors available to display in about:policy.

chrome/browser/policy/configuration_policy_pref_store.h

 // Copyright (c) 2011 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_PREF_STORE_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/values.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 #include "chrome/common/pref_store.h"
 
+class PrefValueMap;
+
 namespace policy {
 
-class ConfigurationPolicyPrefKeeper;
-
 // Constants for the "Proxy Server Mode" defined in the policies.
 // Note that these diverge from internal presentation defined in
 // ProxyPrefs::ProxyMode for legacy reasons. The following four
 // PolicyProxyModeType types were not very precise and had overlapping use
 // cases.
 enum PolicyProxyModeType {
   // Disable Proxy, connect directly.
   kPolicyNoProxyServerMode = 0,
   // Auto detect proxy or use specific PAC script if given.
   kPolicyAutoDetectProxyServerMode = 1,
@@ skipping 10 matching lines @@
 class ConfigurationPolicyPrefStore
     : public PrefStore,
       public ConfigurationPolicyProvider::Observer {
  public:
   // The ConfigurationPolicyPrefStore does not take ownership of the
   // passed-in |provider|.
   explicit ConfigurationPolicyPrefStore(ConfigurationPolicyProvider* provider);
   virtual ~ConfigurationPolicyPrefStore();
 
   // PrefStore methods:
-  virtual void AddObserver(PrefStore::Observer* observer);
-  virtual void RemoveObserver(PrefStore::Observer* observer);
-  virtual bool IsInitializationComplete() const;
+  virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE;
+  virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE;
+  virtual bool IsInitializationComplete() const OVERRIDE;
   virtual ReadResult GetValue(const std::string& key,
-                              const Value** result) const;
+                              const Value** result) const OVERRIDE;
 
   // ConfigurationPolicyProvider::Observer methods:
-  virtual void OnUpdatePolicy();
-  virtual void OnProviderGoingAway();
+  virtual void OnUpdatePolicy() OVERRIDE;
+  virtual void OnProviderGoingAway() OVERRIDE;
 
   // Creates a ConfigurationPolicyPrefStore that reads managed platform policy.
   static ConfigurationPolicyPrefStore* CreateManagedPlatformPolicyPrefStore();
 
   // Creates a ConfigurationPolicyPrefStore that reads managed cloud policy.
   static ConfigurationPolicyPrefStore* CreateManagedCloudPolicyPrefStore();
 
   // Creates a ConfigurationPolicyPrefStore that reads recommended platform
   // policy.
   static ConfigurationPolicyPrefStore*
       CreateRecommendedPlatformPolicyPrefStore();
 
   // Creates a ConfigurationPolicyPrefStore that reads recommended cloud policy.
   static ConfigurationPolicyPrefStore* CreateRecommendedCloudPolicyPrefStore();
 
   // Returns true if the given policy is a proxy policy.
   static bool IsProxyPolicy(ConfigurationPolicyType policy);
 
  private:
   // Refreshes policy information, rereading policy from the provider and
   // sending out change notifications as appropriate.
   void Refresh();
 
+  // Returns a new PrefValueMap containing the preference values that correspond
+  // to the policies currently provided by |provider_|.
+  PrefValueMap* CreatePreferencesFromPolicies();
+
   // The policy provider from which policy settings are read.
   ConfigurationPolicyProvider* provider_;
 
   // Initialization status as reported by the policy provider the last time we
   // queried it.
   bool initialization_complete_;
 
   // Current policy preferences.
-  scoped_ptr<ConfigurationPolicyPrefKeeper> policy_keeper_;
+  scoped_ptr<PrefValueMap> prefs_;
 
   ObserverList<PrefStore::Observer, true> observers_;
 
   ConfigurationPolicyObserverRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyPrefStore);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_