[Password Generation] Sends the flag whether a field has nonempty user input

components/autofill/core/browser/form_structure.cc

Index: components/autofill/core/browser/form_structure.cc
diff --git a/components/autofill/core/browser/form_structure.cc b/components/autofill/core/browser/form_structure.cc
index 580817452f2ff6faba81415fd60db244d4ea469f..164bd71745771d2a82c9398b3cc69397b2de0a43 100644
--- a/components/autofill/core/browser/form_structure.cc
+++ b/components/autofill/core/browser/form_structure.cc
@@ -1170,6 +1170,9 @@ void FormStructure::EncodeFormForUpload(AutofillUploadContents* upload) const {
 
         if (!field->css_classes.empty())
           added_field->set_css_classes(base::UTF16ToUTF8(field->css_classes));
+
+        if (field->properties_mask)
+          added_field->set_properties_mask(field->properties_mask);
       }
     }
   }