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

google_apis/gaia/fake_gaia.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 "google_apis/gaia/fake_gaia.h"
 
 #include <vector>
 
 #include "base/base_paths.h"
 #include "base/bind.h"
@@ skipping 372 matching lines @@
       base::StringPrintf(
           "oauth_code=%s; Path=/o/GetOAuth2Token; Secure; HttpOnly;",
           merge_session_params_.auth_code.c_str()));
   http_response->set_code(net::HTTP_OK);
   http_response->set_content_type("text/html");
 }
 
 void FakeGaia::FormatJSONResponse(const base::DictionaryValue& response_dict,
                                   BasicHttpResponse* http_response) {
   std::string response_json;
-  base::JSONWriter::Write(&response_dict, &response_json);
+  base::JSONWriter::Write(response_dict, &response_json);
   http_response->set_content(response_json);
   http_response->set_code(net::HTTP_OK);
 }
 
 const FakeGaia::AccessTokenInfo* FakeGaia::FindAccessTokenInfo(
     const std::string& auth_token,
     const std::string& client_id,
     const std::string& scope_string) const {
   if (auth_token.empty() || client_id.empty())
     return NULL;
@@ skipping 308 matching lines @@
   if (token_info) {
     base::DictionaryValue response_dict;
     response_dict.SetString("id", GetGaiaIdOfEmail(token_info->email));
     response_dict.SetString("email", token_info->email);
     response_dict.SetString("verified_email", token_info->email);
     FormatJSONResponse(response_dict, http_response);
   } else {
     http_response->set_code(net::HTTP_BAD_REQUEST);
   }
 }