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

components/autofill/content/public/cpp/autofill_types_struct_traits.cc

Index: components/autofill/content/public/cpp/autofill_types_struct_traits.cc
diff --git a/components/autofill/content/public/cpp/autofill_types_struct_traits.cc b/components/autofill/content/public/cpp/autofill_types_struct_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..522a87c03ae3065e7a1c08441a0c3f4db01502a9
--- /dev/null
+++ b/components/autofill/content/public/cpp/autofill_types_struct_traits.cc
@@ -0,0 +1,71 @@
+// 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.
+
+#include "components/autofill/content/public/cpp/autofill_types_struct_traits.h"
+
+#include "url/mojo/url_gurl_struct_traits.h"
+
+namespace mojo {
+
+// static
+bool StructTraits<autofill::mojom::FormFieldData, autofill::FormFieldData>::
+    Read(autofill::mojom::FormFieldDataDataView data,
+         autofill::FormFieldData* out) {
+  if (!data.ReadLabel(&out->label))
+    return false;
+  if (!data.ReadName(&out->name))
+    return false;
+  if (!data.ReadValue(&out->value))
+    return false;
+
+  if (!data.ReadFormControlType(&out->form_control_type))
+    return false;
+  if (!data.ReadAutocompleteAttribute(&out->autocomplete_attribute))
+    return false;
+
+  if (!data.ReadPlaceholder(&out->placeholder))
+    return false;
+
+  out->max_length = data.max_length();
+  out->is_autofilled = data.is_autofilled();
+  out->is_checked = data.is_checked();
+  out->is_checkable = data.is_checkable();
+  out->is_focusable = data.is_focusable();
+  out->should_autocomplete = data.should_autocomplete();
+
+  // TODO(leonhsl): enum translation.
+  out->role = static_cast<autofill::FormFieldData::RoleAttribute>(data.role());

[dcheng, 2016/05/23 20:43:44]

Is this being used already? It looks like it's just introduced. Can we make this
just do enum validation from the start? =)

[leonhsl(Using Gerrit), 2016/05/24 06:38:20]

Yeah it's just introduced. Addressed all TODOs of this CL.

+  // TODO(leonhsl): enum translation.
+  out->text_direction =
+      static_cast<base::i18n::TextDirection>(data.text_direction());
+
+  if (!data.ReadOptionValues(&out->option_values))
+    return false;
+  if (!data.ReadOptionContents(&out->option_contents))
+    return false;
+
+  return true;
+}
+
+// static
+bool StructTraits<autofill::mojom::FormData, autofill::FormData>::Read(
+    autofill::mojom::FormDataDataView data,
+    autofill::FormData* out) {
+  if (!data.ReadName(&out->name))
+    return false;
+  if (!data.ReadOrigin(&out->origin))
+    return false;
+  if (!data.ReadAction(&out->action))
+    return false;
+
+  out->is_form_tag = data.is_form_tag();
+  out->is_formless_checkout = data.is_formless_checkout();
+
+  if (!data.ReadFields(&out->fields))
+    return false;
+
+  return true;
+}
+
+}  // namespace mojo