Delete athena/

athena/system/background_controller.cc

Index: athena/system/background_controller.cc
diff --git a/athena/system/background_controller.cc b/athena/system/background_controller.cc
deleted file mode 100644
index cb90405120385ce3b6ad9271fd442f821b540ed7..0000000000000000000000000000000000000000
--- a/athena/system/background_controller.cc
+++ /dev/null
@@ -1,72 +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.
-
-#include "athena/system/background_controller.h"
-
-#include "athena/system/public/system_ui.h"
-#include "athena/util/fill_layout_manager.h"
-#include "ui/aura/window.h"
-#include "ui/compositor/layer.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-
-namespace athena {
-
-class BackgroundView : public views::View {
- public:
-  BackgroundView() {}
-  ~BackgroundView() override {}
-
-  void SetImage(const gfx::ImageSkia& image) {
-    image_ = image;
-    SchedulePaint();
-  }
-
-  // views::View:
-  virtual void OnPaint(gfx::Canvas* canvas) override {
-    canvas->DrawImageInt(image_,
-                         0,
-                         0,
-                         image_.width(),
-                         image_.height(),
-                         0,
-                         0,
-                         width(),
-                         height(),
-                         true);
-  }
-
- private:
-  gfx::ImageSkia image_;
-
-  DISALLOW_COPY_AND_ASSIGN(BackgroundView);
-};
-
-BackgroundController::BackgroundController(aura::Window* background_container) {
-  views::Widget* background_widget = new views::Widget;
-  views::Widget::InitParams params(
-      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
-  params.parent = background_container;
-  background_widget->Init(params);
-  FillLayoutManager::SetAlwaysFill(background_widget->GetNativeWindow());
-  background_widget->GetNativeWindow()->layer()->SetMasksToBounds(true);
-  background_view_ = new BackgroundView;
-  background_widget->SetContentsView(background_view_);
-  background_widget->GetNativeView()->SetName("BackgroundWidget");
-  background_widget->Show();
-}
-
-BackgroundController::~BackgroundController() {
-  // background_widget is owned by the container and will be deleted
-  // when the container is deleted.
-}
-
-void BackgroundController::SetImage(const gfx::ImageSkia& image) {
-  // TODO(oshima): implement cross fede animation.
-  background_view_->SetImage(image);
-}
-
-}  // namespace athena