policy: load JSON schema into domain descriptor at start time.

chrome/browser/policy/async_policy_loader.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_ASYNC_POLICY_LOADER_H_
 #define CHROME_BROWSER_POLICY_ASYNC_POLICY_LOADER_H_
 
 #include <map>
 
 #include "base/callback.h"
@@ skipping 72 matching lines @@
  private:
   // Allow AsyncPolicyProvider to call Init().
   friend class AsyncPolicyProvider;
 
   typedef base::Callback<void(scoped_ptr<PolicyBundle>)> UpdateCallback;
 
   // Used by the AsyncPolicyProvider to do the initial Load(). The first load
   // is also used to initialize |last_modification_time_|.
   scoped_ptr<PolicyBundle> InitialLoad();
 
+  // Registers a policy domain without triggering a policy load.
+  void InitialRegisterPolicyDomain(
+      scoped_refptr<const PolicyDomainDescriptor> descriptor);
+
   // Used by the AsyncPolicyProvider to install the |update_callback_|.
   // Invoked on the background thread.
   void Init(const UpdateCallback& update_callback);
 
   // Cancels any pending periodic reload and posts one |delay| time units from
   // now.
   void ScheduleNextReload(base::TimeDelta delay);
 
   // Checks if the underlying files haven't changed recently, by checking the
   // LastModificationTime(). |delay| is updated with a suggested time to wait
@@ skipping 20 matching lines @@
 
   // A map of the currently registered domains and their descriptors.
   DescriptorMap descriptor_map_;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncPolicyLoader);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_ASYNC_POLICY_LOADER_H_