events: Get rid of GestureStatus in favour of EventResult.

ui/views/controls/slider.cc

Index: ui/views/controls/slider.cc
diff --git a/ui/views/controls/slider.cc b/ui/views/controls/slider.cc
index ab3d5886b8af7d2f635d463e1ed7072990951347..890a28f606da6849c9f2257ae7673a46d554f698 100644
--- a/ui/views/controls/slider.cc
+++ b/ui/views/controls/slider.cc
@@ -261,15 +261,15 @@ bool Slider::OnKeyPressed(const ui::KeyEvent& event) {
   return false;
 }
 
-ui::GestureStatus Slider::OnGestureEvent(const ui::GestureEvent& event) {
+ui::EventResult Slider::OnGestureEvent(const ui::GestureEvent& event) {
   if (event.type() == ui::ET_GESTURE_SCROLL_UPDATE ||
       event.type() == ui::ET_GESTURE_SCROLL_BEGIN ||
       event.type() == ui::ET_GESTURE_SCROLL_END ||
       event.type() == ui::ET_GESTURE_TAP_DOWN) {
     MoveButtonTo(event.location());
-    return ui::GESTURE_STATUS_CONSUMED;
+    return ui::ER_CONSUMED;
   }
-  return ui::GESTURE_STATUS_UNKNOWN;
+  return ui::ER_UNHANDLED;
 }
 
 void Slider::AnimationProgressed(const ui::Animation* animation) {