Add "run_testserver --sync-test" for easy chromiumsync_test.py launching.

net/tools/testserver/run_testserver.cc

 // Copyright (c) 2012 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 <stdio.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/logging.h"
@@ skipping 33 matching lines @@
     return -1;
   }
 
   net::TestServer::Type server_type(net::TestServer::TYPE_HTTP);
   if (command_line->HasSwitch("https")) {
     server_type = net::TestServer::TYPE_HTTPS;
   } else if (command_line->HasSwitch("ftp")) {
     server_type = net::TestServer::TYPE_FTP;
   } else if (command_line->HasSwitch("sync")) {
     server_type = net::TestServer::TYPE_SYNC;
+  } else if (command_line->HasSwitch("sync-test")) {
+    return net::TestServer::RunSyncTest() ? 0 : -1;
   }
 
   net::TestServer::HTTPSOptions https_options;
   if (command_line->HasSwitch("https-cert")) {
     server_type = net::TestServer::TYPE_HTTPS;
     std::string cert_option = command_line->GetSwitchValueASCII("https-cert");
     if (cert_option == "ok") {
       https_options.server_certificate = net::TestServer::HTTPSOptions::CERT_OK;
     } else if (cert_option == "mismatched-name") {
       https_options.server_certificate =
@@ skipping 33 matching lines @@
         UTF16ToUTF8(test_server->document_root().LossyDisplayName()).c_str());
     return -1;
   }
 
   printf("testserver running at %s (type ctrl+c to exit)\n",
          test_server->host_port_pair().ToString().c_str());
 
   message_loop.Run();
   return 0;
 }