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

ui/display/manager/json_converter.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/display/manager/json_converter.h"
 
 #include <memory>
 #include <string>
 
 #include "base/logging.h"
@@ skipping 107 matching lines @@
   const base::ListValue* list = nullptr;
   if (!UpdateFromDict(dict_value, field_name, getter, &list))
     return false;
 
   if (list == nullptr)
     return true;
 
   output->reserve(list->GetSize());
   for (const auto& list_item : *list) {
     const base::DictionaryValue* item_values = nullptr;
-    if (!list_item.GetAsDictionary(&item_values))
+    if (!list_item->GetAsDictionary(&item_values))
       return false;
 
     DisplayPlacement item;
     if (!UpdateFromDict(item_values, kOffsetKey, &item.offset) ||
         !UpdateFromDict(item_values, kPositionKey, &item.position) ||
         !UpdateFromDict(item_values, kDisplayPlacementDisplayIdKey,
                         &item.display_id) ||
         !UpdateFromDict(item_values, kDisplayPlacementParentDisplayIdKey,
                         &item.parent_display_id)) {
       return false;
@@ skipping 49 matching lines @@
     placement_value->SetString(
         kDisplayPlacementParentDisplayIdKey,
         base::Int64ToString(placement.parent_display_id));
     placement_list->Append(std::move(placement_value));
   }
   dict_value->Set(kDisplayPlacementKey, std::move(placement_list));
   return true;
 }
 
 }  // namespace display