third_party: Add linux_dmabuf_protocol target to wayland-protocols.

third_party/wayland-protocols/BUILD.gn

Index: third_party/wayland-protocols/BUILD.gn
diff --git a/third_party/wayland-protocols/BUILD.gn b/third_party/wayland-protocols/BUILD.gn
index b9aad4611150da7d438340edd0e2a9bce4137890..e3156926f4a8a86ad020b682d809bcd7f8023386 100644
--- a/third_party/wayland-protocols/BUILD.gn
+++ b/third_party/wayland-protocols/BUILD.gn
@@ -23,6 +23,27 @@ source_set("xdg_shell_protocol") {
   public_configs = [ ":xdg_shell_protocol_config" ]
 }
 
+config("linux_dmabuf_protocol_config") {
+  include_dirs = [ "include/protocol" ]
+}
+
+source_set("linux_dmabuf_protocol") {
+  sources = [
+    "include/protocol/linux-dmabuf-unstable-v1-client-protocol.h",
+    "include/protocol/linux-dmabuf-unstable-v1-server-protocol.h",
+    "protocol/linux-dmabuf-protocol.c",
+  ]
+
+  deps = [
+    "//third_party/wayland:wayland_util",
+  ]
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
+
+  public_configs = [ ":linux_dmabuf_protocol_config" ]
+}
+
 config("scaler_protocol_config") {
   include_dirs = [ "include/protocol" ]
 }