Skip checking non-emptiness of username on In-Page Navigation.

components/autofill/content/renderer/form_autofill_util.h

Index: components/autofill/content/renderer/form_autofill_util.h
diff --git a/components/autofill/content/renderer/form_autofill_util.h b/components/autofill/content/renderer/form_autofill_util.h
index 2a5ef139c9a57283af12fbcfc390b3586a090f69..9b96302b0665f96522da2326e0c9337021155481 100644
--- a/components/autofill/content/renderer/form_autofill_util.h
+++ b/components/autofill/content/renderer/form_autofill_util.h
@@ -86,11 +86,7 @@ bool ExtractFormData(const blink::WebFormElement& form_element, FormData* data);
 // Helper function to check if there exist any visible form on |frame| which
 // equals |form_element|. If |form_element| is null, checks if forms action
 // equals |action|. Returns true if so. For forms with empty or unspecified
-// actions, all form data are used for comparison. Form data comparison is
-// disabled on Mac and Android because the update prompt isn't implemented. It
-// may cause many false password updates.
-// TODO(kolos) Turn on all data comparing when the update prompt will be
-// implemented on Mac and Android.

[dvadym, 2017/03/23 12:37:09]

This comment is obsolete, implementation of IsFormVisible was updated Mac and
Android a long time ago.

[vabr (Chromium), 2017/03/23 20:09:30]

Acknowledged.

+// actions, all form data are used for comparison.
 bool IsFormVisible(blink::WebFrame* frame,
                    const blink::WebFormElement& form_element,
                    const GURL& action,