1 files changed, 48 insertions, 0 deletions
diff --git a/dom/ipc/DocShellMessageUtils.h b/dom/ipc/DocShellMessageUtils.h
new file mode 100644
index 0000000000..1b628bc515
--- /dev/null
+++ b/dom/ipc/DocShellMessageUtils.h
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_docshell_message_utils_h__
+#define mozilla_dom_docshell_message_utils_h__
+
+#include "ipc/EnumSerializer.h"
+#include "nsCOMPtr.h"
+#include "nsDocShellLoadState.h"
+#include "nsIContentViewer.h"
+#include "mozilla/ScrollbarPreferences.h"
+#include "mozilla/ipc/IPDLParamTraits.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<nsDocShellLoadState*> {
+  static void Write(IPC::MessageWriter* aWriter, nsDocShellLoadState* aParam);
+  static bool Read(IPC::MessageReader* aReader,
+                   RefPtr<nsDocShellLoadState>* aResult);
+};
+
+template <>
+struct ParamTraits<mozilla::ScrollbarPreference>
+    : public ContiguousEnumSerializerInclusive<
+          mozilla::ScrollbarPreference, mozilla::ScrollbarPreference::Auto,
+          mozilla::ScrollbarPreference::LAST> {};
+
+template <>
+struct ParamTraits<mozilla::dom::PermitUnloadResult>
+    : public ContiguousEnumSerializerInclusive<
+          mozilla::dom::PermitUnloadResult,
+          mozilla::dom::PermitUnloadResult::eAllowNavigation,
+          mozilla::dom::PermitUnloadResult::eRequestBlockNavigation> {};
+
+template <>
+struct ParamTraits<mozilla::dom::XPCOMPermitUnloadAction>
+    : public ContiguousEnumSerializerInclusive<
+          mozilla::dom::XPCOMPermitUnloadAction,
+          mozilla::dom::XPCOMPermitUnloadAction::ePrompt,
+          mozilla::dom::XPCOMPermitUnloadAction::eDontPromptAndUnload> {};
+
+}  // namespace IPC
+
+#endif  // mozilla_dom_docshell_message_utils_h__