Make all LayerAnimationElement::Create*Element return unique_ptr

ui/views/animation/square_ink_drop_ripple.cc

Index: ui/views/animation/square_ink_drop_ripple.cc
diff --git a/ui/views/animation/square_ink_drop_ripple.cc b/ui/views/animation/square_ink_drop_ripple.cc
index ffa339e3f815beab4c1e24418b6972a00ae508f7..64def3348ec3f48bb8847b8f74bba7ef6088d172 100644
--- a/ui/views/animation/square_ink_drop_ripple.cc
+++ b/ui/views/animation/square_ink_drop_ripple.cc
@@ -451,10 +451,10 @@ void SquareInkDropRipple::AnimateCenterPoint(
   animation.SetTweenType(tween);
   gfx::Transform transform;
   transform.Translate(target_center_point_.x(), target_center_point_.y());
-  ui::LayerAnimationElement* element =
+  std::unique_ptr<ui::LayerAnimationElement> element =
       ui::LayerAnimationElement::CreateTransformElement(transform, duration);
   ui::LayerAnimationSequence* sequence =
-      new ui::LayerAnimationSequence(element);
+      new ui::LayerAnimationSequence(std::move(element));
 
   if (observer)
     sequence->AddObserver(observer);
@@ -473,11 +473,11 @@ void SquareInkDropRipple::AnimateToTransforms(
     ui::ScopedLayerAnimationSettings animation(animator);
     animation.SetPreemptionStrategy(preemption_strategy);
     animation.SetTweenType(tween);
-    ui::LayerAnimationElement* element =
+    std::unique_ptr<ui::LayerAnimationElement> element =
         ui::LayerAnimationElement::CreateTransformElement(transforms[i],
                                                           duration);
     ui::LayerAnimationSequence* sequence =
-        new ui::LayerAnimationSequence(element);
+        new ui::LayerAnimationSequence(std::move(element));
 
     if (animation_observer)
       sequence->AddObserver(animation_observer);
@@ -505,10 +505,10 @@ void SquareInkDropRipple::AnimateToOpacity(
   ui::ScopedLayerAnimationSettings animation_settings(animator);
   animation_settings.SetPreemptionStrategy(preemption_strategy);
   animation_settings.SetTweenType(tween);
-  ui::LayerAnimationElement* animation_element =
+  std::unique_ptr<ui::LayerAnimationElement> animation_element =
       ui::LayerAnimationElement::CreateOpacityElement(opacity, duration);
   ui::LayerAnimationSequence* animation_sequence =
-      new ui::LayerAnimationSequence(animation_element);
+      new ui::LayerAnimationSequence(std::move(animation_element));
 
   if (animation_observer)
     animation_sequence->AddObserver(animation_observer);