Refactor chromedriver's script execution to reduce amount of custom Value parsing.

chrome/test/webdriver/server.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 <signal.h>
 #include <stdlib.h>
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 30 matching lines @@
 #include "chrome/test/webdriver/commands/screenshot_command.h"
 #include "chrome/test/webdriver/commands/session_with_id.h"
 #include "chrome/test/webdriver/commands/set_timeout_commands.h"
 #include "chrome/test/webdriver/commands/source_command.h"
 #include "chrome/test/webdriver/commands/target_locator_commands.h"
 #include "chrome/test/webdriver/commands/title_command.h"
 #include "chrome/test/webdriver/commands/url_command.h"
 #include "chrome/test/webdriver/commands/webelement_commands.h"
 #include "chrome/test/webdriver/dispatch.h"
 #include "chrome/test/webdriver/session_manager.h"
-#include "chrome/test/webdriver/utility_functions.h"
 #include "chrome/test/webdriver/webdriver_logging.h"
+#include "chrome/test/webdriver/webdriver_util.h"
 #include "third_party/mongoose/mongoose.h"
 
 #if defined(OS_WIN)
 #include <time.h>
 #elif defined(OS_POSIX)
 #include <errno.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #endif
@@ skipping 177 matching lines @@
 
   // Run until we receive command to shutdown.
   shutdown_event.Wait();
 
   // We should not reach here since the service should never quit.
   // TODO(jmikhail): register a listener for SIGTERM and break the
   // message loop gracefully.
   mg_stop(ctx);
   return (EXIT_SUCCESS);
 }