Remove ListValue::Append(new {Fundamental,String}Value(...)) pattern in //chrome

chrome/browser/extensions/api/downloads/downloads_api.cc

Index: chrome/browser/extensions/api/downloads/downloads_api.cc
diff --git a/chrome/browser/extensions/api/downloads/downloads_api.cc b/chrome/browser/extensions/api/downloads/downloads_api.cc
index 5c10000284ab67b7a89e65b18a752bbd322ec1aa..8e810c0f13c12f85c766d8d045c6ea9c29a9843a 100644
--- a/chrome/browser/extensions/api/downloads/downloads_api.cc
+++ b/chrome/browser/extensions/api/downloads/downloads_api.cc
@@ -1193,8 +1193,7 @@ bool DownloadsEraseFunction::RunSync() {
   std::unique_ptr<base::ListValue> json_results(new base::ListValue());
   for (DownloadManager::DownloadVector::const_iterator it = results.begin();
        it != results.end(); ++it) {
-    json_results->Append(
-        new base::FundamentalValue(static_cast<int>((*it)->GetId())));
+    json_results->AppendInteger(static_cast<int>((*it)->GetId()));
     (*it)->Remove();
   }
   SetResult(std::move(json_results));