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

components/invalidation/p2p_invalidator.cc

 // Copyright 2014 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/invalidation/p2p_invalidator.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/json/json_reader.h"
@@ skipping 84 matching lines @@
 }
 
 bool P2PNotificationData::Equals(const P2PNotificationData& other) const {
   return
       (sender_id_ == other.sender_id_) &&
       (target_ == other.target_) &&
       (invalidation_map_ == other.invalidation_map_);
 }
 
 std::string P2PNotificationData::ToString() const {
-  scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
-  dict->SetString(kSenderIdKey, sender_id_);
-  dict->SetString(kNotificationTypeKey,
-                  P2PNotificationTargetToString(target_));
-  dict->Set(kInvalidationsKey, invalidation_map_.ToValue().release());
+  base::DictionaryValue dict;
+  dict.SetString(kSenderIdKey, sender_id_);
+  dict.SetString(kNotificationTypeKey, P2PNotificationTargetToString(target_));
+  dict.Set(kInvalidationsKey, invalidation_map_.ToValue().release());
   std::string json;
-  base::JSONWriter::Write(dict.get(), &json);
+  base::JSONWriter::Write(dict, &json);
   return json;
 }
 
 bool P2PNotificationData::ResetFromString(const std::string& str) {
   scoped_ptr<base::Value> data_value(base::JSONReader::Read(str));
   const base::DictionaryValue* data_dict = NULL;
   if (!data_value.get() || !data_value->GetAsDictionary(&data_dict)) {
     LOG(WARNING) << "Could not parse " << str << " as a dictionary";
     return false;
   }
@@ skipping 169 matching lines @@
     return;
   }
   notifier::Notification notification;
   notification.channel = kSyncP2PNotificationChannel;
   notification.data = notification_data.ToString();
   DVLOG(1) << "Sending XMPP notification: " << notification.ToString();
   push_client_->SendNotification(notification);
 }
 
 }  // namespace syncer