Replace scoped_ptr with std::unique_ptr in //ui

ui/events/devices/x11/device_list_cache_x11.h

Index: ui/events/devices/x11/device_list_cache_x11.h
diff --git a/ui/events/devices/x11/device_list_cache_x11.h b/ui/events/devices/x11/device_list_cache_x11.h
index e0b6050fe4b1dabeb333fe23177522d69b6bf143..2ff3943a3802eb5108c6e74f7c182145df18eb81 100644
--- a/ui/events/devices/x11/device_list_cache_x11.h
+++ b/ui/events/devices/x11/device_list_cache_x11.h
@@ -9,9 +9,9 @@
 #include <X11/extensions/XInput2.h>
 
 #include <map>
+#include <memory>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/events/devices/events_devices_export.h"
 #include "ui/gfx/x/x11_types.h"
 
@@ -26,7 +26,7 @@ struct DeviceList {
   DeviceList() : count(0) {}
   T& operator[](int x) { return devices[x]; }
   const T& operator[](int x) const { return devices[x]; }
-  scoped_ptr<T[], gfx::XObjectDeleter<T, void, D>> devices;
+  std::unique_ptr<T[], gfx::XObjectDeleter<T, void, D>> devices;
   int count;
 };