Unify graphics buffer format & usage enums for GpuMemoryBuffer & SurfaceFactoryOzone

ui/gfx/ipc/gfx_param_traits_macros.h

Index: ui/gfx/ipc/gfx_param_traits_macros.h
diff --git a/ui/gfx/ipc/gfx_param_traits_macros.h b/ui/gfx/ipc/gfx_param_traits_macros.h
new file mode 100644
index 0000000000000000000000000000000000000000..70f858da663f8c1e073b9453696caf733bea54b9
--- /dev/null
+++ b/ui/gfx/ipc/gfx_param_traits_macros.h
@@ -0,0 +1,25 @@
+// Copyright 2015 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.
+
+// Singly or multiply-included shared traits file depending upon circumstances.
+// This allows the use of IPC serialization macros in more than one IPC message
+// file.
+#ifndef UI_GFX_IPC_GFX_PARAM_TRAITS_MACROS_H_
+#define UI_GFX_IPC_GFX_PARAM_TRAITS_MACROS_H_
+
+#include "ui/gfx/buffer_types.h"
+#include "ui/gfx/ipc/gfx_ipc_export.h"
+#include "ipc/ipc_message_macros.h"
+
+#undef IPC_MESSAGE_EXPORT
+#define IPC_MESSAGE_EXPORT GFX_IPC_EXPORT
+
+IPC_ENUM_TRAITS_MAX_VALUE(gfx::BufferFormat, gfx::BufferFormat::LAST)
+
+IPC_ENUM_TRAITS_MAX_VALUE(gfx::BufferUsage, gfx::BufferUsage::LAST)
+
+#undef IPC_MESSAGE_EXPORT
+#define IPC_MESSAGE_EXPORT
+
+#endif  // UI_GFX_IPC_GFX_PARAM_TRAITS_MACROS_H_