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

chrome/browser/chromeos/file_system_provider/registry.cc

Index: chrome/browser/chromeos/file_system_provider/registry.cc
diff --git a/chrome/browser/chromeos/file_system_provider/registry.cc b/chrome/browser/chromeos/file_system_provider/registry.cc
index e9b0ef9faf87b7169452a8c46ecc0d274a2f38ee..bc0e4c3ba6155a12d653fafa23aae4a21dbe4746 100644
--- a/chrome/browser/chromeos/file_system_provider/registry.cc
+++ b/chrome/browser/chromeos/file_system_provider/registry.cc
@@ -228,7 +228,7 @@
         restored_watcher.last_tag = last_tag;
         for (const auto& persistent_origin : *persistent_origins) {
           std::string origin;
-          if (persistent_origin.GetAsString(&origin)) {
+          if (persistent_origin->GetAsString(&origin)) {
             LOG(ERROR) << "Malformed subscriber information in preferences.";
             continue;
           }