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

chrome/browser/policy/async_policy_loader.cc

 // 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.
 
 #include "chrome/browser/policy/async_policy_loader.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/policy/policy_bundle.h"
@@ skipping 52 matching lines @@
        it != descriptor_map_.end(); ++it) {
     it->second->FilterBundle(bundle.get());
   }
 
   update_callback_.Run(bundle.Pass());
   ScheduleNextReload(TimeDelta::FromSeconds(kReloadIntervalSeconds));
 }
 
 void AsyncPolicyLoader::RegisterPolicyDomain(
     scoped_refptr<const PolicyDomainDescriptor> descriptor) {
-  if (descriptor->domain() != POLICY_DOMAIN_CHROME) {
-    descriptor_map_[descriptor->domain()] = descriptor;
-    Reload(true);
-  }
+  InitialRegisterPolicyDomain(descriptor);
+  Reload(true);
 }
 
 scoped_ptr<PolicyBundle> AsyncPolicyLoader::InitialLoad() {
   // This is the first load, early during startup. Use this to record the
   // initial |last_modification_time_|, so that potential changes made before
   // installing the watches can be detected.
   last_modification_time_ = LastModificationTime();
   return Load();
 }
 
+void AsyncPolicyLoader::InitialRegisterPolicyDomain(
+    scoped_refptr<const PolicyDomainDescriptor> descriptor) {
+  descriptor_map_[descriptor->domain()] = descriptor;
+}
+
 void AsyncPolicyLoader::Init(const UpdateCallback& update_callback) {
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
   DCHECK(update_callback_.is_null());
   DCHECK(!update_callback.is_null());
   update_callback_ = update_callback;
 
   InitOnBackgroundThread();
 
   // There might have been changes to the underlying files since the initial
   // load and before the watchers have been created.
@@ skipping 33 matching lines @@
   const base::TimeDelta age = now - last_modification_clock_;
   if (age < kSettleInterval) {
     *delay = kSettleInterval - age;
     return false;
   }
 
   return true;
 }
 
 }  // namespace policy