Remove use of deprecated MessageLoop methods in ui.

ui/display/chromeos/test/test_native_display_delegate.cc

Index: ui/display/chromeos/test/test_native_display_delegate.cc
diff --git a/ui/display/chromeos/test/test_native_display_delegate.cc b/ui/display/chromeos/test/test_native_display_delegate.cc
index 00d7cd97f82f1b504826ba9308bc2fed8ab736de..2b011f003e403ff6722294f131cf2ab9d53f9d1b 100644
--- a/ui/display/chromeos/test/test_native_display_delegate.cc
+++ b/ui/display/chromeos/test/test_native_display_delegate.cc
@@ -5,7 +5,9 @@
 #include "ui/display/chromeos/test/test_native_display_delegate.h"
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "ui/display/chromeos/test/action_logger.h"
 #include "ui/display/types/display_mode.h"
 
@@ -63,8 +65,8 @@ void TestNativeDisplayDelegate::ForceDPMSOn() {
 void TestNativeDisplayDelegate::GetDisplays(
     const GetDisplaysCallback& callback) {
   if (run_async_) {
-    base::MessageLoop::current()->PostTask(FROM_HERE,
-                                           base::Bind(callback, outputs_));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(callback, outputs_));
   } else {
     callback.Run(outputs_);
   }
@@ -95,8 +97,8 @@ void TestNativeDisplayDelegate::Configure(const DisplaySnapshot& output,
                                           const ConfigureCallback& callback) {
   bool result = Configure(output, mode, origin);
   if (run_async_) {
-    base::MessageLoop::current()->PostTask(FROM_HERE,
-                                           base::Bind(callback, result));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
+                                                  base::Bind(callback, result));
   } else {
     callback.Run(result);
   }