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

jingle/glue/utils.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 "jingle/glue/utils.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 28 matching lines @@
   value.SetString("ip", candidate.address().ipaddr().ToString());
   value.SetInteger("port", candidate.address().port());
   value.SetString("type", candidate.type());
   value.SetString("protocol", candidate.protocol());
   value.SetString("username", candidate.username());
   value.SetString("password", candidate.password());
   value.SetDouble("preference", candidate.preference());
   value.SetInteger("generation", candidate.generation());
 
   std::string result;
-  base::JSONWriter::Write(&value, &result);
+  base::JSONWriter::Write(value, &result);
   return result;
 }
 
 bool DeserializeP2PCandidate(const std::string& candidate_str,
                              cricket::Candidate* candidate) {
   scoped_ptr<base::Value> value(
       base::JSONReader::Read(candidate_str, base::JSON_ALLOW_TRAILING_COMMAS));
   if (!value.get() || !value->IsType(base::Value::TYPE_DICTIONARY)) {
     return false;
   }
@@ skipping 26 matching lines @@
   candidate->set_protocol(protocol);
   candidate->set_username(username);
   candidate->set_password(password);
   candidate->set_preference(static_cast<float>(preference));
   candidate->set_generation(generation);
 
   return true;
 }
 
 }  // namespace jingle_glue