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

remoting/host/token_validator_factory_impl_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.
 //
 // A set of unit tests for TokenValidatorFactoryImpl
 
 #include <string>
 
 #include "base/json/json_writer.h"
 #include "base/values.h"
@@ skipping 90 matching lines @@
     token_validator_factory_.reset(new TokenValidatorFactoryImpl(
         config, key_pair_, request_context_getter_));
   }
 
   static std::string CreateResponse(const std::string& scope) {
     base::DictionaryValue response_dict;
     response_dict.SetString("access_token", kSharedSecret);
     response_dict.SetString("token_type", "shared_secret");
     response_dict.SetString("scope", scope);
     std::string response;
-    base::JSONWriter::Write(&response_dict, &response);
+    base::JSONWriter::Write(response_dict, &response);
     return response;
   }
 
   static std::string CreateErrorResponse(const std::string& error) {
     base::DictionaryValue response_dict;
     response_dict.SetString("error", error);
     std::string response;
-    base::JSONWriter::Write(&response_dict, &response);
+    base::JSONWriter::Write(response_dict, &response);
     return response;
   }
 
 
   void SetResponse(const std::string& headers, const std::string& response) {
     SetResponseURLRequestContext* context =
         static_cast<SetResponseURLRequestContext*>(
             request_context_getter_->GetURLRequestContext());
     context->SetResponse(headers, response);
   }
@@ skipping 50 matching lines @@
   SetResponse(net::URLRequestTestJob::test_error_headers(), std::string());
 
   token_validator_->ValidateThirdPartyToken(
       kToken, base::Bind(
           &TokenValidatorFactoryImplTest::DeleteOnFailureCallback,
           base::Unretained(this)));
   message_loop_.Run();
 }
 
 }  // namespace remoting