Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/native/native_view_host_test_base.h

Index: ui/views/controls/native/native_view_host_test_base.h
diff --git a/ui/views/controls/native/native_view_host_test_base.h b/ui/views/controls/native/native_view_host_test_base.h
index f663956da6179e68be859bb5a03dee9b707dfdd1..ad39c162d15b21e354fe1739c1b6930d9cd26d76 100644
--- a/ui/views/controls/native/native_view_host_test_base.h
+++ b/ui/views/controls/native/native_view_host_test_base.h
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/views/test/views_test_base.h"
 
 namespace views {
@@ -54,8 +55,8 @@ class NativeViewHostTestBase : public ViewsTestBase {
  private:
   class NativeViewHostTesting;
 
-  scoped_ptr<Widget> toplevel_;
-  scoped_ptr<NativeViewHost> host_;
+  std::unique_ptr<Widget> toplevel_;
+  std::unique_ptr<NativeViewHost> host_;
   int host_destroyed_count_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewHostTestBase);