Get frecon working with mustash.

services/ui/public/interfaces/display/display_controller.mojom

Index: services/ui/public/interfaces/display/display_controller.mojom
diff --git a/services/ui/public/interfaces/display/display_controller.mojom b/services/ui/public/interfaces/display/display_controller.mojom
index 0d991ae29d2d585fdf01b35a07bab4fe080de7dc..30fe11ca724bb5960b9123591963886aee4ec301 100644
--- a/services/ui/public/interfaces/display/display_controller.mojom
+++ b/services/ui/public/interfaces/display/display_controller.mojom
@@ -31,6 +31,16 @@ interface DisplayController {
   // Toggles between mirroring and extended mode.
   ToggleMirrorMode();
 
+  // ============================ Virtual Terminal ============================
+
+  // Take control of all display output. This is called when switching from the
+  // virtual terminal back to Chrome in response to a dbus message.
+  TakeDisplayControl() => (bool status);
+  
+  // Relinquish control of all display output. This is called when switching
+  // from Chrome to the virtual terminal in response to a dbus message.
+  RelinquishDisplayControl() => (bool status);
+
   // ========================= Configuration Changes ==========================
 
   // Sets the display work area with the provided insets. The display size is