Convert JsonWriter::Write to taking a const ref for the in-param

sync/syncable/nigori_util.cc

 // Copyright 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 "sync/syncable/nigori_util.h"
 
 #include <queue>
 #include <string>
 #include <vector>
 
@@ skipping 157 matching lines @@
   if ((!SpecificsNeedsEncryption(encrypted_types, new_specifics) &&
        !was_encrypted) ||
       !cryptographer || !cryptographer->is_initialized()) {
     // No encryption required or we are unable to encrypt.
     generated_specifics.CopyFrom(new_specifics);
   } else {
     // Encrypt new_specifics into generated_specifics.
     if (VLOG_IS_ON(2)) {
       scoped_ptr<base::DictionaryValue> value(entry->ToValue(NULL));
       std::string info;
-      base::JSONWriter::WriteWithOptions(value.get(),
-                                         base::JSONWriter::OPTIONS_PRETTY_PRINT,
-                                         &info);
+      base::JSONWriter::WriteWithOptions(
+          *value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &info);
       DVLOG(2) << "Encrypting specifics of type "
                << ModelTypeToString(type)
                << " with content: "
                << info;
     }
     // Only copy over the old specifics if it is of the right type and already
     // encrypted. The first time we encrypt a node we start from scratch, hence
     // removing all the unencrypted data, but from then on we only want to
     // update the node if the data changes or the encryption key changes.
     if (GetModelTypeFromSpecifics(old_specifics) == type &&
@@ skipping 123 matching lines @@
     encrypted_types.Put(FAVICON_TRACKING);
   if (nigori.encrypt_articles())
     encrypted_types.Put(ARTICLES);
   if (nigori.encrypt_app_list())
     encrypted_types.Put(APP_LIST);
   return encrypted_types;
 }
 
 }  // namespace syncable
 }  // namespace syncer