Remove calls to deprecated MessageLoop methods in ash.

ash/drag_drop/drag_drop_interactive_uitest.cc

Index: ash/drag_drop/drag_drop_interactive_uitest.cc
diff --git a/ash/drag_drop/drag_drop_interactive_uitest.cc b/ash/drag_drop/drag_drop_interactive_uitest.cc
index b74ffb6d723b3ca341f67f32465d4ad02af93c07..6464edeea2d00f021240ddfe11516edad95e5210 100644
--- a/ash/drag_drop/drag_drop_interactive_uitest.cc
+++ b/ash/drag_drop/drag_drop_interactive_uitest.cc
@@ -8,6 +8,7 @@
 #include "ash/test/ash_interactive_ui_test_base.h"
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"

[sky, 2016/09/06 21:51:52]

Same comment here.

[fdoray, 2016/09/07 13:00:10]

Still used at line 86.

+#include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
@@ -145,7 +146,7 @@ TEST_F(DragDropTest, MAYBE_DragDropAcrossMultiDisplay) {
   ui_controls::SendMouseMoveNotifyWhenDone(
       10, 10, base::Bind(&DragDropAcrossMultiDisplay_Step1));
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   EXPECT_TRUE(target_view->dropped());