Add metrics for PasswordForm submission types

components/autofill/content/common/autofill_types_struct_traits.h

Index: components/autofill/content/common/autofill_types_struct_traits.h
diff --git a/components/autofill/content/common/autofill_types_struct_traits.h b/components/autofill/content/common/autofill_types_struct_traits.h
index 7d4c03035427ec97cd496d13f90986d53dd14d98..0c51ed527ab74e10da26b76112817e73b92bd907 100644
--- a/components/autofill/content/common/autofill_types_struct_traits.h
+++ b/components/autofill/content/common/autofill_types_struct_traits.h
@@ -85,6 +85,16 @@ struct EnumTraits<autofill::mojom::PasswordFormFieldPredictionType,
                         autofill::PasswordFormFieldPredictionType* output);
 };
 
+template <>
+struct EnumTraits<autofill::mojom::PasswordFormSubmissionIndicatorEvent,
+                  autofill::PasswordForm::SubmissionIndicatorEvent> {
+  static autofill::mojom::PasswordFormSubmissionIndicatorEvent ToMojom(
+      autofill::PasswordForm::SubmissionIndicatorEvent input);
+  static bool FromMojom(
+      autofill::mojom::PasswordFormSubmissionIndicatorEvent input,
+      autofill::PasswordForm::SubmissionIndicatorEvent* output);
+};
+
 template <>
 struct StructTraits<autofill::mojom::FormFieldDataDataView,
                     autofill::FormFieldData> {
@@ -497,6 +507,11 @@ struct StructTraits<autofill::mojom::PasswordFormDataView,
     return r.does_look_like_signup_form;
   }
 
+  static autofill::PasswordForm::SubmissionIndicatorEvent submission_event(
+      const autofill::PasswordForm& r) {
+    return r.submission_event;
+  }
+
   static bool Read(autofill::mojom::PasswordFormDataView data,
                    autofill::PasswordForm* out);
 };