Revert of Change base::Value::ListStorage to std::vector<base::Value>

chrome/browser/permissions/chooser_context_base.cc

Index: chrome/browser/permissions/chooser_context_base.cc
diff --git a/chrome/browser/permissions/chooser_context_base.cc b/chrome/browser/permissions/chooser_context_base.cc
index 1214898c8b39f6663cc98437009b551179c40efe..3b99bad21385d39261562354ae5a096ce8d65c9f 100644
--- a/chrome/browser/permissions/chooser_context_base.cc
+++ b/chrome/browser/permissions/chooser_context_base.cc
@@ -58,8 +58,7 @@
   for (auto& object : *object_list) {
     // Steal ownership of |object| from |object_list|.
     std::unique_ptr<base::DictionaryValue> object_dict =
-        base::DictionaryValue::From(
-            base::MakeUnique<base::Value>(std::move(object)));
+        base::DictionaryValue::From(std::move(object));
     if (object_dict && IsValidObject(*object_dict))
       results.push_back(std::move(object_dict));
   }
@@ -85,9 +84,9 @@
     if (!setting->GetList(kObjectListKey, &object_list))
       continue;
 
-    for (auto& object : *object_list) {
+    for (const auto& object : *object_list) {
       base::DictionaryValue* object_dict;
-      if (!object.GetAsDictionary(&object_dict) ||
+      if (!object->GetAsDictionary(&object_dict) ||
           !IsValidObject(*object_dict)) {
         continue;
       }