policy: use JSON schema to deserialize entries from Windows registry.

chrome/browser/policy/policy_loader_win.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_LOADER_WIN_H_
 #define CHROME_BROWSER_POLICY_POLICY_LOADER_WIN_H_
 
 #include <userenv.h>
 #include <windows.h>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/values.h"
 #include "base/win/object_watcher.h"
 #include "chrome/browser/policy/async_policy_loader.h"
 #include "chrome/browser/policy/policy_types.h"
+#include "components/policy/core/common/policy_schema.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace policy {
 
 class AppliedGPOListProvider;
 class PolicyLoadStatusSample;
 class PolicyMap;
@@ skipping 29 matching lines @@
   // Creates a policy loader that uses the Win API to access GPO.
   static scoped_ptr<PolicyLoaderWin> Create(
       scoped_refptr<base::SequencedTaskRunner> task_runner,
       const PolicyDefinitionList* policy_list);
 
   // AsyncPolicyLoader implementation.
   virtual void InitOnBackgroundThread() OVERRIDE;
   virtual scoped_ptr<PolicyBundle> Load() OVERRIDE;
 
  private:
-  // Builds the Chrome policy schema in |chrome_policy_schema_|.
-  void BuildChromePolicySchema();
-
   // Reads Chrome Policy from a PReg file at the given path and stores the
   // result in |policy|.
   bool ReadPRegFile(const base::FilePath& preg_file,
                     RegistryDict* policy,
                     PolicyLoadStatusSample *status);
 
   // Loads and parses GPO policy in |policy_object_list| for scope |scope|. If
   // successful, stores the result in |policy| and returns true. Returns false
   // on failure reading the policy, indicating that policy loading should fall
   // back to reading the registry.
   bool LoadGPOPolicy(PolicyScope scope,
                      PGROUP_POLICY_OBJECT policy_object_list,
                      RegistryDict* policy,
                      PolicyLoadStatusSample *status);
 
   // Queries Windows for applied group policy and writes the result to |policy|.
   // This is the preferred way to obtain GPO data, there are reports of abuse
   // of the registry GPO keys by 3rd-party software.
   bool ReadPolicyFromGPO(PolicyScope scope,
                          RegistryDict* policy,
                          PolicyLoadStatusSample *status);
 
   // Parses Chrome policy from |gpo_dict| for the given |scope| and |level| and
   // merges it into |chrome_policy_map|.
   void LoadChromePolicy(const RegistryDict* gpo_dict,
                         PolicyLevel level,
                         PolicyScope scope,
                         PolicyMap* chrome_policy_map);
 
+  // Loads 3rd-party policy schema.
+  const PolicySchema* Load3rdPartyPolicySchema(
+      PolicyDomain domain,
+      const std::string& component_key,
+      RegistryDict* component_dict);
+
   // Loads 3rd-party policy from |gpo_dict| and merges it into |bundle|.
   void Load3rdPartyPolicy(const RegistryDict* gpo_dict,
                           PolicyScope scope,
                           PolicyBundle* bundle);
 
   // Installs the watchers for the Group Policy update events.
   void SetupWatches();
 
   // ObjectWatcher::Delegate overrides:
   virtual void OnObjectSignaled(HANDLE object) OVERRIDE;
 
   bool is_initialized_;
   const PolicyDefinitionList* policy_list_;
   const string16 chrome_policy_key_;
   class AppliedGPOListProvider* gpo_provider_;
-  base::DictionaryValue chrome_policy_schema_;
 
   base::WaitableEvent user_policy_changed_event_;
   base::WaitableEvent machine_policy_changed_event_;
   base::win::ObjectWatcher user_policy_watcher_;
   base::win::ObjectWatcher machine_policy_watcher_;
   bool user_policy_watcher_failed_;
   bool machine_policy_watcher_failed_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyLoaderWin);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_POLICY_LOADER_WIN_H_