Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/native/native_view_host_aura_unittest.cc

Index: ui/views/controls/native/native_view_host_aura_unittest.cc
diff --git a/ui/views/controls/native/native_view_host_aura_unittest.cc b/ui/views/controls/native/native_view_host_aura_unittest.cc
index 685267de3b9971c96c25d8513738ae9c3c867571..dbc34713528cfff784ee8046f62f8d4307d8f795 100644
--- a/ui/views/controls/native/native_view_host_aura_unittest.cc
+++ b/ui/views/controls/native/native_view_host_aura_unittest.cc
@@ -4,8 +4,9 @@
 
 #include "ui/views/controls/native/native_view_host_aura.h"
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/base/cursor/cursor.h"
@@ -105,7 +106,7 @@ class NativeViewHostAuraTest : public test::NativeViewHostTestBase {
   }
 
  private:
-  scoped_ptr<Widget> child_;
+  std::unique_ptr<Widget> child_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewHostAuraTest);
 };