Extensions Docs Server: Enum values do not show up if enum is a type

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 e4cc721dde93ab4c8fdf3ce47386cf429b176540..f2394a1a2efe6e2a8332ff74a435bd29fe3d9d9f 100644
--- a/chrome/browser/extensions/api/downloads/downloads_api.cc
+++ b/chrome/browser/extensions/api/downloads/downloads_api.cc
@@ -431,18 +431,21 @@ void RunDownloadQuery(
     }
     query_out.Limit(*query_in.limit.get());
   }
-  if (query_in.state.get()) {
-    DownloadItem::DownloadState state = StateEnumFromString(
-        *query_in.state.get());
+  std::string state_string =
+      extensions::api::downloads::ToString(query_in.state);
+  if (!state_string.empty()) {
+    DownloadItem::DownloadState state = StateEnumFromString(state_string);
     if (state == DownloadItem::MAX_DOWNLOAD_STATE) {
       *error = download_extension_errors::kInvalidStateError;
       return;
     }
     query_out.AddFilter(state);
   }
-  if (query_in.danger.get()) {
-    content::DownloadDangerType danger_type =
-        DangerEnumFromString(*query_in.danger.get());
+  std::string danger_string =
+      extensions::api::downloads::ToString(query_in.danger);
+  if (!danger_string.empty()) {
+    content::DownloadDangerType danger_type = DangerEnumFromString(
+        danger_string);
     if (danger_type == content::DOWNLOAD_DANGER_TYPE_MAX) {
       *error = download_extension_errors::kInvalidDangerTypeError;
       return;
@@ -624,8 +627,10 @@ bool DownloadsDownloadFunction::RunImpl() {
     }
   }
 
-  if (options.method.get())
-    download_params->set_method(*options.method.get());
+  std::string method_string =
+      extensions::api::downloads::ToString(options.method);
+  if (!method_string.empty())
+    download_params->set_method(method_string);
   if (options.body.get())
     download_params->set_post_body(*options.body.get());
   download_params->set_callback(base::Bind(