Delete athena/

athena/wm/overview_toolbar.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_WM_OVERVIEW_TOOLBAR_H_
-#define ATHENA_WM_OVERVIEW_TOOLBAR_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/gfx/geometry/rect.h"
-
-namespace aura {
-class Window;
-}
-
-namespace gfx {
-class Transform;
-}
-
-namespace ui {
-class GestureEvent;
-}
-
-namespace athena {
-
-class ActionButton;
-
-// Responsible for showing action-buttons at the right edge of the screen during
-// overview mode.
-class OverviewToolbar {
- public:
-  enum ActionType {
-    ACTION_TYPE_NONE,
-    ACTION_TYPE_CLOSE,
-    ACTION_TYPE_SPLIT,
-  };
-
-  explicit OverviewToolbar(aura::Window* container);
-  virtual ~OverviewToolbar();
-
-  ActionType current_action() const { return current_action_; }
-
-  // Returns the action the gesture-event is targeting.
-  ActionType GetHighlightAction(const ui::GestureEvent& event) const;
-
-  void SetHighlightAction(ActionType action);
-  void ShowActionButtons();
-  void HideActionButtons();
-
-  void DisableAction(ActionType action);
-
- private:
-  void ToggleActionButtonsVisibility();
-  bool IsActionEnabled(ActionType action) const;
-  bool IsEventOverButton(ActionButton* button,
-                         const ui::GestureEvent& event) const;
-  gfx::Transform ComputeTransformFor(ActionButton* button) const;
-  void TransformButton(ActionButton* button);
-
-  bool shown_;
-  uint64_t disabled_action_bitfields_;
-  scoped_ptr<ActionButton> close_;
-  scoped_ptr<ActionButton> split_;
-  ActionType current_action_;
-  const gfx::Rect container_bounds_;
-
-  DISALLOW_COPY_AND_ASSIGN(OverviewToolbar);
-};
-
-}  // namespace athena
-
-#endif  // ATHENA_WM_OVERVIEW_TOOLBAR_H_