Remove calls to deprecated MessageLoop methods on Windows and Linux.

chrome/test/chromedriver/server/chromedriver_server.cc

 // Copyright (c) 2013 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 <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 
 #include <locale>
 #include <memory>
@@ skipping 190 matching lines @@
   CHECK(io_thread.StartWithOptions(
       base::Thread::Options(base::MessageLoop::TYPE_IO, 0)));
 
   base::MessageLoop cmd_loop;
   base::RunLoop cmd_run_loop;
   HttpHandler handler(cmd_run_loop.QuitClosure(), io_thread.task_runner(),
                       url_base, adb_port, std::move(port_server));
   HttpRequestHandlerFunc handle_request_func =
       base::Bind(&HandleRequestOnCmdThread, &handler, whitelisted_ips);
 
-  io_thread.message_loop()->task_runner()->PostTask(
+  io_thread.task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&StartServerOnIOThread, port, allow_remote,
                  base::Bind(&HandleRequestOnIOThread, cmd_loop.task_runner(),
                             handle_request_func)));
   // Run the command loop. This loop is quit after the response for a shutdown
   // request is posted to the IO loop. After the command loop quits, a task
   // is posted to the IO loop to stop the server. Lastly, the IO thread is
   // destroyed, which waits until all pending tasks have been completed.
   // This assumes the response is sent synchronously as part of the IO task.
   cmd_run_loop.Run();
-  io_thread.message_loop()->task_runner()->PostTask(
-      FROM_HERE, base::Bind(&StopServerOnIOThread));
+  io_thread.task_runner()->PostTask(FROM_HERE,
+                                    base::Bind(&StopServerOnIOThread));
 }
 
 }  // namespace
 
 int main(int argc, char *argv[]) {
   base::CommandLine::Init(argc, argv);
 
   base::AtExitManager at_exit;
   base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
 
@@ skipping 97 matching lines @@
   }
 
   if (!InitLogging()) {
     printf("Unable to initialize logging. Exiting...\n");
     return 1;
   }
   RunServer(port, allow_remote, whitelisted_ips, url_base, adb_port,
             std::move(port_server));
   return 0;
 }