Add support for SurfaceDescriptorFromWaylandSurface

Bug: dawn:1246
Change-Id: I0af28e1820ad8da2121a00bdef7202695d23bbf7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/75422
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
diff --git a/scripts/dawn_features.gni b/scripts/dawn_features.gni
index 234791c..57227de 100644
--- a/scripts/dawn_features.gni
+++ b/scripts/dawn_features.gni
@@ -19,10 +19,12 @@
   import("//build/config/sanitizers/sanitizers.gni")
 
   dawn_use_x11 = ozone_platform_x11
+  dawn_use_wayland = false
 } else {
   declare_args() {
     # Whether Dawn should enable X11 support.
     dawn_use_x11 = is_linux && !is_chromeos
+    dawn_use_wayland = false
   }
 }