components: Add Exosphere component.

build/config/ui.gni

Index: build/config/ui.gni
diff --git a/build/config/ui.gni b/build/config/ui.gni
index 3acf6556603f299694aa10d7796cf240b0cfb9cc..fa4f142ea9f19a00e6597caaf51300a03dc42505 100644
--- a/build/config/ui.gni
+++ b/build/config/ui.gni
@@ -46,6 +46,9 @@ declare_args() {
 
   # Whether we should use glib, a low level C utility library.
   use_glib = is_linux
+
+  # Indicates if Wayland display server support is enabled.
+  enable_wayland_server = is_chromeos
 }
 
 # Additional dependent variables -----------------------------------------------
@@ -66,6 +69,11 @@ if (use_ozone) {
   use_glib = false
 }
 
+# Turn off Wayland if glib is enabled.
+if (use_glib) {
+  enable_wayland_server = false
+}
+
 if (is_linux && !use_ozone) {
   use_cairo = true
   use_pango = true