mus/gpu: Introduce the GpuServiceHost mojom interface.

services/ui/gpu/interfaces/context_lost_reason.typemap

Index: services/ui/gpu/interfaces/context_lost_reason.typemap
diff --git a/services/ui/gpu/interfaces/context_lost_reason.typemap b/services/ui/gpu/interfaces/context_lost_reason.typemap
new file mode 100644
index 0000000000000000000000000000000000000000..23616f28805c24c15e11c57b69b9cdc1f84aa708
--- /dev/null
+++ b/services/ui/gpu/interfaces/context_lost_reason.typemap
@@ -0,0 +1,12 @@
+# 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 = "//services/ui/gpu/interfaces/context_lost_reason.mojom"
+public_headers = [ "//gpu/command_buffer/common/constants.h" ]
+traits_headers = [ "//services/ui/gpu/interfaces/context_lost_reason_traits.h" ]
+public_deps = [
+  "//gpu/command_buffer/common",
+]
+
+type_mappings = [ "ui.mojom.ContextLostReason=gpu::error::ContextLostReason" ]