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

chrome/browser/extensions/install_signer.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 "chrome/browser/extensions/install_signer.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
@@ skipping 370 matching lines @@
   // }
   base::DictionaryValue dictionary;
   dictionary.SetInteger(kProtocolVersionKey, 1);
   dictionary.SetString(kHashKey, hash_base64);
   scoped_ptr<base::ListValue> id_list(new base::ListValue);
   for (ExtensionIdSet::const_iterator i = ids_.begin(); i != ids_.end(); ++i) {
     id_list->AppendString(*i);
   }
   dictionary.Set(kIdsKey, id_list.release());
   std::string json;
-  base::JSONWriter::Write(&dictionary, &json);
+  base::JSONWriter::Write(dictionary, &json);
   if (json.empty()) {
     ReportErrorViaCallback();
     return;
   }
   url_fetcher_->SetUploadData("application/json", json);
   LogRequestStartHistograms();
   request_start_time_ = base::Time::Now();
   VLOG(1) << "Sending request: " << json;
   url_fetcher_->Start();
 }
@@ skipping 99 matching lines @@
     if (!verified)
       result.reset();
   }
 
   if (!callback_.is_null())
     callback_.Run(result.Pass());
 }
 
 
 }  // namespace extensions