Remove calls to deprecated MessageLoop methods in remoting.

remoting/base/auto_thread_task_runner_unittest.cc

Index: remoting/base/auto_thread_task_runner_unittest.cc
diff --git a/remoting/base/auto_thread_task_runner_unittest.cc b/remoting/base/auto_thread_task_runner_unittest.cc
index 9a1f712d2c567bf9349a0082f275d54bd4bc0762..8664bf73306f17c73d9136008d5259265671f767 100644
--- a/remoting/base/auto_thread_task_runner_unittest.cc
+++ b/remoting/base/auto_thread_task_runner_unittest.cc
@@ -5,6 +5,8 @@
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "remoting/base/auto_thread_task_runner.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -26,10 +28,11 @@ TEST(AutoThreadTaskRunnerTest, StartAndStop) {
 
   // Post a task to make sure it is executed.
   bool success = false;
-  message_loop.PostTask(FROM_HERE, base::Bind(&SetFlagTask, &success));
+  message_loop.task_runner()->PostTask(FROM_HERE,
+                                       base::Bind(&SetFlagTask, &success));
 
   task_runner = NULL;
-  message_loop.Run();
+  base::RunLoop().Run();
   EXPECT_TRUE(success);
 }