Use std::unique_ptr for base::DictionaryValue and base::ListValue's internal store.

chrome/utility/importer/nss_decryptor.cc

Index: chrome/utility/importer/nss_decryptor.cc
diff --git a/chrome/utility/importer/nss_decryptor.cc b/chrome/utility/importer/nss_decryptor.cc
index 3f3d83834f5a08e2c3b5481c5e9064265340e4e5..af7e8478e157d3467d44dc878d387be1b5afa135 100644
--- a/chrome/utility/importer/nss_decryptor.cc
+++ b/chrome/utility/importer/nss_decryptor.cc
@@ -304,7 +304,7 @@ bool NSSDecryptor::ReadAndParseLogins(
     return false;
 
   if (password_dict->GetList("disabledHosts", &blacklist_domains)) {
-    for (const base::Value* value : *blacklist_domains) {
+    for (const auto& value : *blacklist_domains) {
       std::string disabled_host;
       if (!value->GetAsString(&disabled_host))
         continue;
@@ -313,7 +313,7 @@ bool NSSDecryptor::ReadAndParseLogins(
   }
 
   if (password_dict->GetList("logins", &password_list)) {
-    for (const base::Value* value : *password_list) {
+    for (const auto& value : *password_list) {
       const base::DictionaryValue* password_detail;
       if (!value->GetAsDictionary(&password_detail))
         continue;