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

chrome/browser/ui/webui/options/certificate_manager_handler.cc

Index: chrome/browser/ui/webui/options/certificate_manager_handler.cc
diff --git a/chrome/browser/ui/webui/options/certificate_manager_handler.cc b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
index e4c42f4fd52a246abfdba99ecde8fffec73e573c..cce634b34b878f725ed1bc70fff8ac46360d8e0a 100644
--- a/chrome/browser/ui/webui/options/certificate_manager_handler.cc
+++ b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
@@ -88,12 +88,13 @@
       : collator_(collator) {
   }
 
-  bool operator()(const base::Value& a, const base::Value& b) const {
+  bool operator()(const std::unique_ptr<base::Value>& a,
+                  const std::unique_ptr<base::Value>& b) const {
     const base::DictionaryValue* a_dict;
-    bool a_is_dictionary = a.GetAsDictionary(&a_dict);
+    bool a_is_dictionary = a->GetAsDictionary(&a_dict);
     DCHECK(a_is_dictionary);
     const base::DictionaryValue* b_dict;
-    bool b_is_dictionary = b.GetAsDictionary(&b_dict);
+    bool b_is_dictionary = b->GetAsDictionary(&b_dict);
     DCHECK(b_is_dictionary);
     base::string16 a_str;
     base::string16 b_str;