[Athena] Add status icons and system time to the desktop background

athena/screen/background_controller.h

Index: athena/screen/background_controller.h
diff --git a/athena/screen/background_controller.h b/athena/screen/background_controller.h
index cdc0d358fb2dbe372207599d1d3c1545fca2d41f..2cade5e4589e9797c448df4d83d56d08f2c79fd8 100644
--- a/athena/screen/background_controller.h
+++ b/athena/screen/background_controller.h
@@ -21,7 +21,10 @@ class BackgroundView;
 // Controls background image switching.
 class BackgroundController {
  public:
-  explicit BackgroundController(aura::Window* container);
+  // |popup_container| is the parent window to use for the "select network"
+  // dialog.
+  BackgroundController(aura::Window* background_container,
+                       aura::Window* popup_container);
   ~BackgroundController();
 
   void SetImage(const gfx::ImageSkia& image);
@@ -31,6 +34,7 @@ class BackgroundController {
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundController);
 };
-}
+
+}  // namespace athena
 
 #endif  // ATHENA_SCREEN_BACKGROUND_CONTROLLER_H_