Replace scoped_ptr with std::unique_ptr in //ui

ui/touch_selection/touch_selection_controller.cc

Index: ui/touch_selection/touch_selection_controller.cc
diff --git a/ui/touch_selection/touch_selection_controller.cc b/ui/touch_selection/touch_selection_controller.cc
index 8ea8246021c32bf8e6e16512d2bc7ea48a11e985..230942f6f7f3a2163791a64d2837ec3bbf984c0e 100644
--- a/ui/touch_selection/touch_selection_controller.cc
+++ b/ui/touch_selection/touch_selection_controller.cc
@@ -430,7 +430,8 @@ void TouchSelectionController::SetNeedsAnimate() {
   client_->SetNeedsAnimate();
 }
 
-scoped_ptr<TouchHandleDrawable> TouchSelectionController::CreateDrawable() {
+std::unique_ptr<TouchHandleDrawable>
+TouchSelectionController::CreateDrawable() {
   return client_->CreateDrawable();
 }