Cleanup and style guideline conformance for policy implementation

chrome/browser/policy/configuration_policy_provider_win.h

 // Copyright (c) 2010 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_WIN_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_WIN_H_
 #pragma once
 
 #include "base/object_watcher.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/waitable_event.h"
 #include "base/weak_ptr.h"
-#include "chrome/browser/policy/configuration_policy_store.h"
+#include "chrome/browser/policy/configuration_policy_store_interface.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
 namespace base {
 namespace win {
 class RegKey;
 }  // namespace win
 }  // namespace base
 
 namespace policy {
 
@@ skipping 56 matching lines @@
 
     // A reference to a delayed task for timer-based reloading.
     CancelableTask* reload_task_;
   };
 
   explicit ConfigurationPolicyProviderWin(
       const PolicyDefinitionList* policy_list);
   virtual ~ConfigurationPolicyProviderWin();
 
   // ConfigurationPolicyProvider method overrides:
-  virtual bool Provide(ConfigurationPolicyStore* store);
+  virtual bool Provide(ConfigurationPolicyStoreInterface* store);
 
  protected:
   // The sub key path for Chromium's Group Policy information in the
   // Windows registry.
   static const wchar_t kPolicyRegistrySubKey[];
 
  private:
   scoped_refptr<GroupPolicyChangeWatcher> watcher_;
 
   // Methods to perform type-specific policy lookups in the registry.
   // HKLM is checked first, then HKCU.
 
   // Reads a string registry value |name| at the specified |key| and puts the
   // resulting string in |result|.
-
-  bool GetRegistryPolicyString(const string16& name, string16* result);
+  bool GetRegistryPolicyString(const string16& name, string16* result) const;
   // Gets a list value contained under |key| one level below the policy root.
-  bool GetRegistryPolicyStringList(const string16& key, ListValue* result);
-  bool GetRegistryPolicyBoolean(const string16& value_name, bool* result);
-  bool GetRegistryPolicyInteger(const string16& value_name, uint32* result);
+  bool GetRegistryPolicyStringList(const string16& key,
+                                   ListValue* result) const;
+  bool GetRegistryPolicyBoolean(const string16& value_name,
+                                bool* result) const;
+  bool GetRegistryPolicyInteger(const string16& value_name,
+                                uint32* result) const;
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_WIN_H_