Allow InkDropRipple to co-exist with highlight

ui/views/controls/button/label_button.cc

Index: ui/views/controls/button/label_button.cc
diff --git a/ui/views/controls/button/label_button.cc b/ui/views/controls/button/label_button.cc
index f8147937777dc8b575db1d55fb78e3905bafbb17..c883169c6c1c7e74f8aea4ea66f17171ab032beb 100644
--- a/ui/views/controls/button/label_button.cc
+++ b/ui/views/controls/button/label_button.cc
@@ -448,10 +448,9 @@ std::unique_ptr<views::InkDropRipple> LabelButton::CreateInkDropRipple() const {
   return GetText().empty()
              ? CreateDefaultInkDropRipple(
                    image()->GetMirroredBounds().CenterPoint())
-             : std::unique_ptr<views::InkDropRipple>(
-                   new views::FloodFillInkDropRipple(
-                       GetLocalBounds(), GetInkDropCenterBasedOnLastEvent(),
-                       GetInkDropBaseColor(), ink_drop_visible_opacity()));
+             : base::MakeUnique<views::FloodFillInkDropRipple>(
+                   GetLocalBounds(), GetInkDropCenterBasedOnLastEvent(),
+                   GetInkDropBaseColor(), ink_drop_visible_opacity());
 }
 
 std::unique_ptr<views::InkDropHighlight> LabelButton::CreateInkDropHighlight()