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

net/test/test_server_win.cc

 // Copyright (c) 2011 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 "net/test/test_server.h"
 
 #include <windows.h>
 #include <wincrypt.h>
 
 #include "base/base_paths.h"
@@ skipping 66 matching lines @@
     return false;
   }
 
   return true;
 }
 
 }  // namespace
 
 namespace net {
 
-bool TestServer::LaunchPython(const FilePath& testserver_path) {
+// static
+FilePath TestServer::GetAbsolutePythonCommandPath() {
   FilePath python_exe;
   if (!PathService::Get(base::DIR_SOURCE_ROOT, &python_exe))
-    return false;
+    return FilePath();
   python_exe = python_exe
       .Append(FILE_PATH_LITERAL("third_party"))
       .Append(FILE_PATH_LITERAL("python_26"))
       .Append(FILE_PATH_LITERAL("python.exe"));
+  return python_exe;
+}
 
-  CommandLine python_command(python_exe);
+bool TestServer::LaunchPython(const FilePath& testserver_path) {
+  CommandLine python_command(GetAbsolutePythonCommandPath());
   python_command.AppendArgPath(testserver_path);
   if (!AddCommandLineArguments(&python_command))
     return false;
 
   HANDLE child_read = NULL;
   HANDLE child_write = NULL;
   if (!CreatePipe(&child_read, &child_write, NULL, 0)) {
     PLOG(ERROR) << "Failed to create pipe";
     return false;
   }
@@ skipping 62 matching lines @@
 
   if (!ParseServerData(server_data)) {
     LOG(ERROR) << "Could not parse server_data: " << server_data;
     return false;
   }
 
   return true;
 }
 
 }  // namespace net