[Autofill] Add typemap for autofill:FormFieldData and autofill::FormData.

components/autofill/content/public/cpp/autofill_types.typemap

Index: components/autofill/content/public/cpp/autofill_types.typemap
diff --git a/components/autofill/content/public/cpp/autofill_types.typemap b/components/autofill/content/public/cpp/autofill_types.typemap
new file mode 100644
index 0000000000000000000000000000000000000000..e757952bc9248d5daa5ee820592072888b6fba4d
--- /dev/null
+++ b/components/autofill/content/public/cpp/autofill_types.typemap
@@ -0,0 +1,28 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+mojom = "//components/autofill/content/public/interfaces/autofill_types.mojom"
+public_headers = [
+  "//components/autofill/core/common/form_data.h",
+  "//components/autofill/core/common/form_field_data.h",
+]
+traits_headers = [
+  "//components/autofill/content/public/cpp/autofill_types_struct_traits.h"
+]
+sources = [
+  "//components/autofill/content/public/cpp/autofill_types_struct_traits.cc"
+]
+deps = [
+  "//base",
+  "//base:i18n",
+  "//components/autofill/core/common",
+]
+
+type_mappings = [
+  "autofill.mojom.CheckStatus=autofill::FormFieldData::CheckStatus",
+  "autofill.mojom.FormData=autofill::FormData",
+  "autofill.mojom.FormFieldData=autofill::FormFieldData",
+  "autofill.mojom.RoleAttribute=autofill::FormFieldData::RoleAttribute",
+  "autofill.mojom.TextDirection=base::i18n::TextDirection",
+]