Connect Login UI to SystemTray

chrome/browser/ui/ash/system_tray_client.h

Index: chrome/browser/ui/ash/system_tray_client.h
diff --git a/chrome/browser/ui/ash/system_tray_client.h b/chrome/browser/ui/ash/system_tray_client.h
index 6ea72c3bea50b34f92569d54f753e6a9080a799b..0faa61f6f6a0c5c887dbcbdafd74d755b00023c6 100644
--- a/chrome/browser/ui/ash/system_tray_client.h
+++ b/chrome/browser/ui/ash/system_tray_client.h
@@ -50,6 +50,10 @@ class SystemTrayClient : public ash::mojom::SystemTrayClient,
   // when the update is applied.
   void SetFlashUpdateAvailable();
 
+  // Wrappers around ash::mojom::SystemTray interface:
+  void SetPrimaryTrayEnabled(bool enabled);
+  void SetPrimaryTrayVisible(bool visible);
+
   // ash::mojom::SystemTrayClient:
   void ShowSettings() override;
   void ShowDateSettings() override;