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

net/test/spawned_test_server/remote_test_server.cc

Index: net/test/spawned_test_server/remote_test_server.cc
diff --git a/net/test/spawned_test_server/remote_test_server.cc b/net/test/spawned_test_server/remote_test_server.cc
index 1d1481b9d161e9fa0453fa1ba775f824cac4bb8c..bf2c025185f861a59fc1b71d020dce4f5bfc36b7 100644
--- a/net/test/spawned_test_server/remote_test_server.cc
+++ b/net/test/spawned_test_server/remote_test_server.cc
@@ -103,7 +103,7 @@ bool RemoteTestServer::Start() {
 
   // Generate JSON-formatted argument string.
   std::string arguments_string;
-  base::JSONWriter::Write(&arguments_dict, &arguments_string);
+  base::JSONWriter::Write(arguments_dict, &arguments_string);
   if (arguments_string.empty())
     return false;
 
@@ -123,7 +123,7 @@ bool RemoteTestServer::Start() {
   // the remote server.
   server_data_dict.SetInteger("port", test_server_port);
   std::string server_data;
-  base::JSONWriter::Write(&server_data_dict, &server_data);
+  base::JSONWriter::Write(server_data_dict, &server_data);
   if (server_data.empty() || !ParseServerData(server_data)) {
     LOG(ERROR) << "Could not parse server_data: " << server_data;
     return false;