Remove calls to deprecated MessageLoop methods in chrome.

chrome/browser/ui/window_sizer/window_sizer_ash_uitest.cc

Index: chrome/browser/ui/window_sizer/window_sizer_ash_uitest.cc
diff --git a/chrome/browser/ui/window_sizer/window_sizer_ash_uitest.cc b/chrome/browser/ui/window_sizer/window_sizer_ash_uitest.cc
index 2fa5c52b8a9ea3743f3fc9fc474f9f59d1574989..7a80cda4fdad2968c3668f700adfb5fa8be331fb 100644
--- a/chrome/browser/ui/window_sizer/window_sizer_ash_uitest.cc
+++ b/chrome/browser/ui/window_sizer/window_sizer_ash_uitest.cc
@@ -167,7 +167,7 @@ void OpenBrowserUsingContextMenuOnRootWindow(aura::Window* root_window) {
   ui_controls::SendMouseMoveNotifyWhenDone(
       chrome_icon.x(), chrome_icon.y(),
       base::Bind(&WindowSizerContextMenuTest::Step1, release_point));
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 }  // namespace