Remove oak windows and its flags.

ui/oak/oak_window.h

-// Copyright (c) 2012 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 UI_OAK_OAK_WINDOW_H_
-#define UI_OAK_OAK_WINDOW_H_
-
-#include "ui/oak/oak_tree_model.h"
-#include "ui/views/controls/tree/tree_view_controller.h"
-#include "ui/views/widget/widget_delegate.h"
-
-namespace views {
-class TableView;
-}
-
-namespace oak {
-namespace internal {
-
-class OakTreeModel;
-class OakDetailsModel;
-
-class OakWindow : public views::WidgetDelegateView,
-                  public views::TreeViewController {
- public:
-  OakWindow();
-  virtual ~OakWindow();
-
-  static views::Widget* instance;
-
-  // Overridden from views::WidgetDelegateView:
-  virtual bool CanResize() const OVERRIDE;
-  virtual bool CanMaximize() const OVERRIDE;
-  virtual base::string16 GetWindowTitle() const OVERRIDE;
-  virtual views::View* GetContentsView() OVERRIDE;
-  virtual gfx::ImageSkia GetWindowIcon() OVERRIDE;
-  virtual bool ShouldShowWindowIcon() const OVERRIDE;
-  virtual void DeleteDelegate() OVERRIDE;
-
- private:
-  // Overridden from views::View:
-  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
-  virtual void ViewHierarchyChanged(
-      const ViewHierarchyChangedDetails& details) OVERRIDE;
-  virtual void Layout() OVERRIDE;
-
-  // Overridden from views::TreeViewController:
-  virtual void OnTreeViewSelectionChanged(views::TreeView* tree) OVERRIDE;
-
-  void Init();
-
-  scoped_ptr<views::TreeView> tree_;
-  scoped_ptr<TreeOfWindows> tree_model_;
-  views::View* tree_container_;
-
-  gfx::Rect separator_rect_;
-
-  scoped_ptr<views::TableView> details_;
-  scoped_ptr<OakDetailsModel> details_model_;
-  views::View* details_container_;
-
-  DISALLOW_COPY_AND_ASSIGN(OakWindow);
-};
-
-}  // namespace internal
-}  // namespace oak
-
-#endif  // UI_OAK_OAK_WINDOW_H_