Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/webui/chromeos/login/base_screen_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/base_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/base_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/base_screen_handler.cc
index f733361bb131911d868b8783eb96124ce26f6d4a..66038a801a235731667f40cc899f6a58b8205d9d 100644
--- a/chrome/browser/ui/webui/chromeos/login/base_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/base_screen_handler.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/screens/base_screen.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
@@ -43,7 +44,7 @@ void BaseScreenHandler::InitializeBase() {
 }
 
 void BaseScreenHandler::GetLocalizedStrings(base::DictionaryValue* dict) {
-  auto builder = make_scoped_ptr(new ::login::LocalizedValuesBuilder(dict));
+  auto builder = base::WrapUnique(new ::login::LocalizedValuesBuilder(dict));
   DeclareLocalizedValues(builder.get());
   GetAdditionalParameters(dict);
 }