Add "previewing on hover" support for password field.

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 f3384f1d803b955c4759d6204b02db083b6257fc..1c9868e50afca669b8f78b263e249bc4b2982436 100644
--- a/components/autofill/content/renderer/form_autofill_util.h
+++ b/components/autofill/content/renderer/form_autofill_util.h
@@ -148,7 +148,9 @@ void PreviewForm(const FormData& form,
 // autofilled state of |node| to |was_autofilled|.  Returns false if the form is
 // not found.
 bool ClearPreviewedFormWithElement(const blink::WebInputElement& element,
-                                   bool was_autofilled);
+                                   RequirementsMask requirements,
+                                   bool was_autofilled,
+                                   bool was_password_autofilled);
 
 // Returns true if |form| has any auto-filled fields.
 bool FormWithElementIsAutofilled(const blink::WebInputElement& element);