Replace scoped_ptr with std::unique_ptr in //ui

ui/events/ozone/evdev/input_injector_evdev.h

Index: ui/events/ozone/evdev/input_injector_evdev.h
diff --git a/ui/events/ozone/evdev/input_injector_evdev.h b/ui/events/ozone/evdev/input_injector_evdev.h
index 2b6d51ad9fe45648fe240a459625d2f2205a14b0..651b0a40822ff22fdb15d0b86a0f267d6bb46e16 100644
--- a/ui/events/ozone/evdev/input_injector_evdev.h
+++ b/ui/events/ozone/evdev/input_injector_evdev.h
@@ -19,7 +19,7 @@ class DeviceEventDispatcherEvdev;
 class EVENTS_OZONE_EVDEV_EXPORT InputInjectorEvdev
     : public SystemInputInjector {
  public:
-  InputInjectorEvdev(scoped_ptr<DeviceEventDispatcherEvdev> dispatcher,
+  InputInjectorEvdev(std::unique_ptr<DeviceEventDispatcherEvdev> dispatcher,
                      CursorDelegateEvdev* cursor);
 
   ~InputInjectorEvdev() override;
@@ -37,7 +37,7 @@ class EVENTS_OZONE_EVDEV_EXPORT InputInjectorEvdev
   CursorDelegateEvdev* cursor_;
 
   // Interface for dispatching events.
-  scoped_ptr<DeviceEventDispatcherEvdev> dispatcher_;
+  std::unique_ptr<DeviceEventDispatcherEvdev> dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(InputInjectorEvdev);
 };