Delete athena/

athena/activity/activity_widget_delegate.h

-// 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_ACTIVITY_ACTIVITY_WIDGET_DELEGATE_H_
-#define ATHENA_ACTIVITY_ACTIVITY_WIDGET_DELEGATE_H_
-
-#include "base/macros.h"
-#include "ui/views/widget/widget_delegate.h"
-
-namespace athena {
-class ActivityViewModel;
-
-// A default WidgetDelegate for activities.
-// TODO(oshima): Allow AcitivyViewModel to create custom WidgetDelegate.
-class ActivityWidgetDelegate : public views::WidgetDelegate {
- public:
-  explicit ActivityWidgetDelegate(ActivityViewModel* view_model);
-  ~ActivityWidgetDelegate() override;
-
-  // views::WidgetDelegate:
-  bool CanResize() const override;
-  bool CanMaximize() const override;
-  bool CanMinimize() const override;
-  base::string16 GetWindowTitle() const override;
-  void DeleteDelegate() override;
-  views::Widget* GetWidget() override;
-  const views::Widget* GetWidget() const override;
-  views::View* GetContentsView() override;
-  views::NonClientFrameView* CreateNonClientFrameView(
-      views::Widget* widget) override;
-
- private:
-  ActivityViewModel* view_model_;
-
-  DISALLOW_COPY_AND_ASSIGN(ActivityWidgetDelegate);
-};
-
-}  // namespace athena
-
-#endif  // ATHENA_ACTIVITY_ACTIVITY_WIDGET_DELEGATE_H_