exo: produce libwayland-client.so

components/exo/wayland/client_demo/BUILD.gn

Index: components/exo/wayland/client_demo/BUILD.gn
diff --git a/components/autofill/core/browser/proto/BUILD.gn b/components/exo/wayland/client_demo/BUILD.gn
similarity index 61%
copy from components/autofill/core/browser/proto/BUILD.gn
copy to components/exo/wayland/client_demo/BUILD.gn
index ad52e78646b3a2edf44ea16e992e3d8187eb2dad..c649173fed932d06606d3a42d9d246de9d15b2ae 100644
--- a/components/autofill/core/browser/proto/BUILD.gn
+++ b/components/exo/wayland/client_demo/BUILD.gn
@@ -2,10 +2,12 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//third_party/protobuf/proto_library.gni")
-
-proto_library("proto") {
+source_set("client_demo") {
   sources = [
-    "server.proto",
+    "wayland_client_demo.cc",
+  ]
+
+  deps = [
+    "//third_party/wayland:wayland-client",
   ]
 }