Replace scoped_ptr with std::unique_ptr in //ui

ui/compositor/layer_owner.cc

Index: ui/compositor/layer_owner.cc
diff --git a/ui/compositor/layer_owner.cc b/ui/compositor/layer_owner.cc
index 44bb322ff6cdb07947cd7bd95a4e0e13a4971767..9fe0b96b6c33a3a093fc669ebcd2623b26a93ab9 100644
--- a/ui/compositor/layer_owner.cc
+++ b/ui/compositor/layer_owner.cc
@@ -6,6 +6,7 @@
 
 #include <utility>
 
+#include "base/memory/ptr_util.h"
 #include "ui/compositor/layer_owner_delegate.h"
 
 namespace ui {
@@ -23,14 +24,14 @@ void LayerOwner::SetLayer(Layer* layer) {
   layer_->owner_ = this;
 }
 
-scoped_ptr<Layer> LayerOwner::AcquireLayer() {
+std::unique_ptr<Layer> LayerOwner::AcquireLayer() {
   if (layer_owner_)
     layer_owner_->owner_ = NULL;
   return std::move(layer_owner_);
 }
 
-scoped_ptr<Layer> LayerOwner::RecreateLayer() {
-  scoped_ptr<ui::Layer> old_layer(AcquireLayer());
+std::unique_ptr<Layer> LayerOwner::RecreateLayer() {
+  std::unique_ptr<ui::Layer> old_layer(AcquireLayer());
   if (!old_layer)
     return old_layer;
 
@@ -54,7 +55,7 @@ scoped_ptr<Layer> LayerOwner::RecreateLayer() {
     new_layer->SetColor(old_layer->GetTargetColor());
   SkRegion* alpha_shape = old_layer->alpha_shape();
   if (alpha_shape)
-    new_layer->SetAlphaShape(make_scoped_ptr(new SkRegion(*alpha_shape)));
+    new_layer->SetAlphaShape(base::WrapUnique(new SkRegion(*alpha_shape)));
 
   if (old_layer->parent()) {
     // Install new layer as a sibling of the old layer, stacked below it.