[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
deleted file mode 100644
index cdc0d358fb2dbe372207599d1d3c1545fca2d41f..0000000000000000000000000000000000000000
--- a/athena/screen/background_controller.h
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef ATHENA_SCREEN_BACKGROUND_CONTROLLER_H_
-#define ATHENA_SCREEN_BACKGROUND_CONTROLLER_H_
-
-#include "base/macros.h"
-
-namespace aura {
-class Window;
-}
-
-namespace gfx {
-class ImageSkia;
-}
-
-namespace athena {
-class BackgroundView;
-
-// Controls background image switching.
-class BackgroundController {
- public:
-  explicit BackgroundController(aura::Window* container);
-  ~BackgroundController();
-
-  void SetImage(const gfx::ImageSkia& image);
-
- private:
-  BackgroundView* background_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(BackgroundController);
-};
-}
-
-#endif  // ATHENA_SCREEN_BACKGROUND_CONTROLLER_H_