Added code to persist downloaded cloud policy to disk.

chrome/browser/policy/cloud_policy_service.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/cloud_policy_service.h"
 
 #include "base/callback.h"
 #include "chrome/browser/policy/proto/device_management_backend.pb.h"
 
 namespace em = enterprise_management;
@@ skipping 87 matching lines @@
 
   // Whether to submit the machine ID.
   bool submit_machine_id = false;
   if (policy && policy->has_valid_serial_number_missing())
     submit_machine_id = policy->valid_serial_number_missing();
   client_->set_submit_machine_id(submit_machine_id);
 
   // Finally, set up registration if necessary.
   if (policy && policy->has_request_token() && policy->has_device_id() &&
       !client_->is_registered()) {
+    DVLOG(1) << "Setting up registration with request token: "
+             << policy->request_token();
     client_->SetupRegistration(policy->request_token(),
                                policy->device_id());
   }
 
   if (refresh_state_ == REFRESH_POLICY_STORE)
     RefreshCompleted();
 }
 
 void CloudPolicyService::OnStoreError(CloudPolicyStore* store) {
   if (refresh_state_ == REFRESH_POLICY_STORE)
     RefreshCompleted();
 }
 
 void CloudPolicyService::RefreshCompleted() {
   // Clear state and |refresh_callbacks_| before actually invoking them, s.t.
   // triggering new policy fetches behaves as expected.
   std::vector<base::Closure> callbacks;
   callbacks.swap(refresh_callbacks_);
   refresh_state_ = REFRESH_NONE;
 
   for (std::vector<base::Closure>::iterator callback(callbacks.begin());
        callback != callbacks.end();
        ++callback) {
     callback->Run();
   }
 }
 
 }  // namespace policy