Match server version of DM API proto.

components/policy/core/common/cloud/user_cloud_policy_store.cc

 // Copyright 2013 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 "components/policy/core/common/cloud/user_cloud_policy_store.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 136 matching lines @@
   }
 
   if (!WriteStringToFile(policy_path, data))
     return;
 
   if (policy.has_new_public_key()) {
     // Write the new public key and its verification signature/key to a file.
     em::PolicySigningKey key_info;
     key_info.set_signing_key(policy.new_public_key());
     key_info.set_signing_key_signature(
-        policy.new_public_key_verification_signature());
+        policy.new_public_key_verification_signature_deprecated());
     key_info.set_verification_key(verification_key);
     std::string key_data;
     if (!key_info.SerializeToString(&key_data)) {
       DLOG(WARNING) << "Failed to serialize policy signing key";
       return;
     }
 
     WriteStringToFile(key_path, key_data);
   }
 }
@@ skipping 286 matching lines @@
                 std::move(validator->payload()));
 
   // If the key was rotated, update our local cache of the key.
   if (validator->policy()->has_new_public_key())
     policy_key_ = validator->policy()->new_public_key();
   status_ = STATUS_OK;
   NotifyStoreLoaded();
 }
 
 }  // namespace policy