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

net/http/http_network_transaction_unittest.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 "net/http/http_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
@@ skipping 109 matching lines @@
 // Takes in a Value created from a NetLogHttpResponseParameter, and returns
 // a JSONified list of headers as a single string.  Uses single quotes instead
 // of double quotes for easier comparison.  Returns false on failure.
 bool GetHeaders(base::DictionaryValue* params, std::string* headers) {
   if (!params)
     return false;
   base::ListValue* header_list;
   if (!params->GetList("headers", &header_list))
     return false;
   std::string double_quote_headers;
-  base::JSONWriter::Write(header_list, &double_quote_headers);
+  base::JSONWriter::Write(*header_list, &double_quote_headers);
   base::ReplaceChars(double_quote_headers, "\"", "'", headers);
   return true;
 }
 
 // Tests LoadTimingInfo in the case a socket is reused and no PAC script is
 // used.
 void TestLoadTimingReused(const LoadTimingInfo& load_timing_info) {
   EXPECT_TRUE(load_timing_info.socket_reused);
   EXPECT_NE(NetLog::Source::kInvalidId, load_timing_info.socket_log_id);
 
@@ skipping 14090 matching lines @@
   ASSERT_TRUE(response);
   ASSERT_TRUE(response->headers.get());
 
   EXPECT_EQ(101, response->headers->response_code());
 
   trans.reset();
   session->CloseAllConnections();
 }
 
 }  // namespace net