Change base::LaunchProcess API slightly

net/test/test_server_posix.cc

Index: net/test/test_server_posix.cc
diff --git a/net/test/test_server_posix.cc b/net/test/test_server_posix.cc
index a3abc69efd6aa036e05b8838f096834ae7d5e74b..34556948be543ed2fe2dcc9ed6a797742b1f726e 100644
--- a/net/test/test_server_posix.cc
+++ b/net/test/test_server_posix.cc
@@ -124,8 +124,7 @@ bool TestServer::LaunchPython(const FilePath& testserver_path) {
   // Launch a new testserver process.
   base::LaunchOptions options;
   options.fds_to_remap = &map_write_fd;
-  options.process_handle = &process_handle_;
-  if (!base::LaunchProcess(python_command, options)) {
+  if (!base::LaunchProcess(python_command, options, &process_handle_)) {
     LOG(ERROR) << "Failed to launch " << python_command.command_line_string();
     return false;
   }