[Offline Pages] Link the internals page with the offline model and request

content/public/browser/web_ui_message_handler.h

Index: content/public/browser/web_ui_message_handler.h
diff --git a/content/public/browser/web_ui_message_handler.h b/content/public/browser/web_ui_message_handler.h
index 7be55873df20fb1fce0a6218dd1badda3fb7be03..cd9c97c3f034d94e8a0999d345162d40b97d5e0d 100644
--- a/content/public/browser/web_ui_message_handler.h
+++ b/content/public/browser/web_ui_message_handler.h
@@ -84,6 +84,12 @@ class CONTENT_EXPORT WebUIMessageHandler {
                                  const base::Value& response);
 
   // Helper method for responding to Javascript requests initiated with
+  // cr.sendWithPromise() (defined in cr.js) for the case where the returned
+  // promise should be resolved (request succeeded).
+  void ResolveJavascriptCallback(const std::string& callback_id,
+                                 const base::Value& response);
+
+  // Helper method for responding to Javascript requests initiated with
   // cr.sendWithPromise() (defined in cr.js), for the case where the returned
   // promise should be rejected (request failed).
   void RejectJavascriptCallback(const base::Value& callback_id,