[epiphany/mcatanzaro/even-more-password-cleanups: 3/4] Fix password manager when there is no username

[Michael Catanzaro <mcatanzaro src gnome org>]

commit d108d4b3b6c314bee72f427e1d3d3e11ca4bee22
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Apr 28 17:48:02 2019 -0500

    Fix password manager when there is no username
    
    We should autofill passwords even if the form has no username.

 embed/web-extension/resources/js/ephy.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/embed/web-extension/resources/js/ephy.js b/embed/web-extension/resources/js/ephy.js
index 9588e4ee6..776d93b57 100644
--- a/embed/web-extension/resources/js/ephy.js
+++ b/embed/web-extension/resources/js/ephy.js
@@ -330,7 +330,9 @@ Ephy.PasswordManager = class PasswordManager
     {
         let element = this._takePendingPromise(id);
         if (element) {
-            if (username !== '' && password !== '')
+            if (username == '')
+                username = null;
+            if (password !== '')
                 element.resolver({username, password});
             else
                 element.resolver(null);