Reland of Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/settings/certificates_handler.cc

Index: chrome/browser/ui/webui/settings/certificates_handler.cc
diff --git a/chrome/browser/ui/webui/settings/certificates_handler.cc b/chrome/browser/ui/webui/settings/certificates_handler.cc
index d80b14b987706f3e31fc202c966e237012594c7c..25500d504d7be589e223fe0e042ca77d230831d2 100644
--- a/chrome/browser/ui/webui/settings/certificates_handler.cc
+++ b/chrome/browser/ui/webui/settings/certificates_handler.cc
@@ -1043,7 +1043,7 @@ void CertificatesHandler::PopulateTree(
       dict->SetString(kNameField, i->first);
 
       // Populate second level (certs).
-      base::ListValue* subnodes = new base::ListValue;
+      auto subnodes = base::MakeUnique<base::ListValue>();
       for (net::CertificateList::const_iterator org_cert_it = i->second.begin();
            org_cert_it != i->second.end(); ++org_cert_it) {
         std::unique_ptr<base::DictionaryValue> cert_dict(
@@ -1075,7 +1075,7 @@ void CertificatesHandler::PopulateTree(
       }
       std::sort(subnodes->begin(), subnodes->end(), comparator);
 
-      dict->Set(kSubnodesField, subnodes);
+      dict->Set(kSubnodesField, std::move(subnodes));
       nodes->Append(std::move(dict));
     }
     std::sort(nodes->begin(), nodes->end(), comparator);