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

chrome/test/chromedriver/server/http_handler.cc

 // Copyright (c) 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/test/chromedriver/server/http_handler.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 691 matching lines @@
   }
   if (!value)
     value.reset(base::Value::CreateNullValue());
 
   base::DictionaryValue body_params;
   body_params.SetInteger("status", status.code());
   body_params.Set("value", value.release());
   body_params.SetString("sessionId", session_id);
   std::string body;
   base::JSONWriter::WriteWithOptions(
-      &body_params, base::JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION,
+      body_params, base::JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION,
       &body);
   scoped_ptr<net::HttpServerResponseInfo> response(
       new net::HttpServerResponseInfo(net::HTTP_OK));
   response->SetBody(body, "application/json; charset=utf-8");
   return response.Pass();
 }
 
 namespace internal {
 
 const char kNewSessionPathPattern[] = "session";
@@ skipping 39 matching lines @@
         params.SetString(name, path_parts[i]);
     } else if (command_path_parts[i] != path_parts[i]) {
       return false;
     }
   }
   out_params->MergeDictionary(&params);
   return true;
 }
 
 }  // namespace internal