Replace scoped_ptr with std::unique_ptr in //ui

ui/base/l10n/l10n_util_unittest.cc

Index: ui/base/l10n/l10n_util_unittest.cc
diff --git a/ui/base/l10n/l10n_util_unittest.cc b/ui/base/l10n/l10n_util_unittest.cc
index 3719a1aa1e70515c9e8d3a7f6f1b968e0bef6c0e..524980456fe3f9146299fb6103ffee45f49efa09 100644
--- a/ui/base/l10n/l10n_util_unittest.cc
+++ b/ui/base/l10n/l10n_util_unittest.cc
@@ -103,7 +103,7 @@ void SetDefaultLocaleForTest(const std::string& tag, base::Environment* env) {
 }
 
 TEST_F(L10nUtilTest, GetAppLocale) {
-  scoped_ptr<base::Environment> env;
+  std::unique_ptr<base::Environment> env;
   // Use a temporary locale dir so we don't have to actually build the locale
   // pak files for this test.
   base::ScopedPathOverride locale_dir_override(ui::DIR_LOCALES);