[Password Generation] Fixes bug in sending CSS classes to the server

components/autofill/core/browser/autofill_field.h

Index: components/autofill/core/browser/autofill_field.h
diff --git a/components/autofill/core/browser/autofill_field.h b/components/autofill/core/browser/autofill_field.h
index d2db76e5fda8b427fff1c1e871e69c471add9a24..52137e1af1982b05b8d5f6bce455d15c36eb1334 100644
--- a/components/autofill/core/browser/autofill_field.h
+++ b/components/autofill/core/browser/autofill_field.h
@@ -175,9 +175,6 @@ class AutofillField : public FormFieldData {
   // The outcome of HTML parsing based form classifier.
   AutofillUploadContents::Field::FormClassifierOutcome form_classifier_outcome_;
 
-  // The value of the class attribute on the field, if present.
-  base::string16 css_classes_;
-
   DISALLOW_COPY_AND_ASSIGN(AutofillField);
 };