Replace scoped_ptr with std::unique_ptr in //ui

ui/aura/window.cc

Index: ui/aura/window.cc
diff --git a/ui/aura/window.cc b/ui/aura/window.cc
index 0b848e9fb50811cb0055df3b95d22f5ee0bc7a1a..0b405d21f924e19790a56d42193a95fad541da4e 100644
--- a/ui/aura/window.cc
+++ b/ui/aura/window.cc
@@ -14,6 +14,7 @@
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ -292,9 +293,9 @@ void Window::SetLayoutManager(LayoutManager* layout_manager) {
     layout_manager_->OnWindowAddedToLayout(*it);
 }
 
-scoped_ptr<ui::EventTargeter>
-Window::SetEventTargeter(scoped_ptr<ui::EventTargeter> targeter) {
-  scoped_ptr<ui::EventTargeter> old_targeter = std::move(targeter_);
+std::unique_ptr<ui::EventTargeter> Window::SetEventTargeter(
+    std::unique_ptr<ui::EventTargeter> targeter) {
+  std::unique_ptr<ui::EventTargeter> old_targeter = std::move(targeter_);
   targeter_ = std::move(targeter);
   return old_targeter;
 }
@@ -1087,8 +1088,8 @@ ui::EventTarget* Window::GetParentTarget() {
   return parent_;
 }
 
-scoped_ptr<ui::EventTargetIterator> Window::GetChildIterator() const {
-  return make_scoped_ptr(new ui::EventTargetIteratorImpl<Window>(children()));
+std::unique_ptr<ui::EventTargetIterator> Window::GetChildIterator() const {
+  return base::WrapUnique(new ui::EventTargetIteratorImpl<Window>(children()));
 }
 
 ui::EventTargeter* Window::GetEventTargeter() {