Make all LayerAnimationElement::Create*Element return unique_ptr

ui/app_list/views/pulsing_block_view.cc

Index: ui/app_list/views/pulsing_block_view.cc
diff --git a/ui/app_list/views/pulsing_block_view.cc b/ui/app_list/views/pulsing_block_view.cc
index 9d515329305460a6969a2e86fa6c4698c7c27169..5244424cf5f97873a35c11479c06d7b1580165a9 100644
--- a/ui/app_list/views/pulsing_block_view.cc
+++ b/ui/app_list/views/pulsing_block_view.cc
@@ -31,10 +31,10 @@ void SchedulePulsingAnimation(ui::Layer* layer) {
   DCHECK(layer);
   DCHECK_EQ(arraysize(kAnimationOpacity), arraysize(kAnimationScale));
 
-  std::unique_ptr<ui::LayerAnimationSequence> opacity_sequence(
-      new ui::LayerAnimationSequence());
-  std::unique_ptr<ui::LayerAnimationSequence> transform_sequence(
-      new ui::LayerAnimationSequence());
+  std::unique_ptr<ui::LayerAnimationSequence> opacity_sequence =
+      base::MakeUnique<ui::LayerAnimationSequence>();
+  std::unique_ptr<ui::LayerAnimationSequence> transform_sequence =
+      base::MakeUnique<ui::LayerAnimationSequence>();
 
   // The animations loop infinitely.
   opacity_sequence->set_is_cyclic(true);