Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/chromeos/login/test/oobe_base_test.cc

Index: chrome/browser/chromeos/login/test/oobe_base_test.cc
diff --git a/chrome/browser/chromeos/login/test/oobe_base_test.cc b/chrome/browser/chromeos/login/test/oobe_base_test.cc
index 52d6f6cc47999f7d2911e3dfed2e14abc0ad2add..4502e7ae0c381ed3d81308ebb7ede19f83543704 100644
--- a/chrome/browser/chromeos/login/test/oobe_base_test.cc
+++ b/chrome/browser/chromeos/login/test/oobe_base_test.cc
@@ -5,9 +5,11 @@
 #include "chrome/browser/chromeos/login/test/oobe_base_test.h"
 
 #include "base/command_line.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/existing_user_controller.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
@@ -125,8 +127,8 @@ void OobeBaseTest::SetUpOnMainThread() {
 void OobeBaseTest::TearDownOnMainThread() {
   // If the login display is still showing, exit gracefully.
   if (LoginDisplayHost::default_host()) {
-    base::MessageLoop::current()->PostTask(FROM_HERE,
-                                           base::Bind(&chrome::AttemptExit));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(&chrome::AttemptExit));
     content::RunMessageLoop();
   }
   EXPECT_TRUE(embedded_test_server()->ShutdownAndWaitUntilComplete());