[Password Generation] Process CONFIRMATION_PASSWORD votes on the client side

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 f5156bb888d69856d0259630f5b7c5e4f9da1fbc..cbe687abe4193a86b2a36d810eee4c1383bb1e64 100644
--- a/components/autofill/content/common/autofill_types_struct_traits.h
+++ b/components/autofill/content/common/autofill_types_struct_traits.h
@@ -372,6 +372,16 @@ struct StructTraits<autofill::mojom::PasswordFormGenerationDataDataView,
     return r.field_signature;
   }
 
+  static bool has_confirmation_field(
+      const autofill::PasswordFormGenerationData& r) {
+    return r.confirmation_field_signature.has_value();
+  }
+
+  static uint32_t confirmation_field_signature(
+      const autofill::PasswordFormGenerationData& r) {
+    return r.confirmation_field_signature.value_or(0);
+  }
+
   static bool Read(autofill::mojom::PasswordFormGenerationDataDataView data,
                    autofill::PasswordFormGenerationData* out);
 };