Run safebrowsing_service_test through the net testserver code.

net/test/local_test_server_win.cc

Index: net/test/local_test_server_win.cc
diff --git a/net/test/local_test_server_win.cc b/net/test/local_test_server_win.cc
index 0b3031239a127a847cb80349e13fb24fa2589293..504f7d53a0071ca098c2b3a0389d5ddab7c777d5 100644
--- a/net/test/local_test_server_win.cc
+++ b/net/test/local_test_server_win.cc
@@ -94,7 +94,9 @@ bool LocalTestServer::LaunchPython(const FilePath& testserver_path) {
       .Append(FILE_PATH_LITERAL("python.exe"));
 
   CommandLine python_command(python_exe);
-  python_command.AppendArgPath(testserver_path);
+
+  AddPythonArguments(testserver_path, &python_command);
+
   if (!AddCommandLineArguments(&python_command))
     return false;
 
@@ -176,4 +178,3 @@ bool LocalTestServer::WaitToStart() {
 }
 
 }  // namespace net
-