Fix auto raw pointer deduction on linux

ui/views/test/ui_controls_factory_desktop_aurax11.cc

Index: ui/views/test/ui_controls_factory_desktop_aurax11.cc
diff --git a/ui/views/test/ui_controls_factory_desktop_aurax11.cc b/ui/views/test/ui_controls_factory_desktop_aurax11.cc
index d7b41b1501dde8e15069f2bb49b34822aa683a31..117a268df4d508908e036884a563fabe175a0db5 100644
--- a/ui/views/test/ui_controls_factory_desktop_aurax11.cc
+++ b/ui/views/test/ui_controls_factory_desktop_aurax11.cc
@@ -146,7 +146,7 @@ class UIControlsDesktopX11 : public UIControlsAura {
         aura::test::QueryLatestMousePositionRequestInHost(host);
     host->ConvertPixelsToDIP(&root_current_location);
 
-    auto screen = views::test::TestDesktopScreenX11::GetInstance();
+    auto* screen = views::test::TestDesktopScreenX11::GetInstance();
     DCHECK_EQ(screen, display::Screen::GetScreen());
     screen->set_cursor_screen_point(gfx::Point(screen_x, screen_y));