ozone: caca: Convert to PlatformWindow

ui/ozone/platform/caca/caca_connection.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 UI_OZONE_PLATFORM_CACA_CACA_CONNECTION_H_
-#define UI_OZONE_PLATFORM_CACA_CACA_CONNECTION_H_
-
-#include <caca.h>
-
-#include "base/macros.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/ozone/platform/caca/scoped_caca_types.h"
-
-namespace ui {
-
-// Basic initialization of Libcaca. This needs to be shared between SFO and EFO
-// since both need the |display_| to draw and process events respectively.
-// Note, |canvas_| needs to be here since it is needed for creating a
-// |display_|.
-class CacaConnection {
- public:
-  CacaConnection();
-  ~CacaConnection();
-
-  bool Initialize();
-
-  // This is the Caca canvas size.
-  gfx::Size physical_size() const { return physical_size_; }
-  gfx::Size bitmap_size() const { return bitmap_size_; }
-  caca_display_t* display() const { return display_.get(); }
-
- private:
-  // Sync sizes with libcaca.
-  void UpdateDisplaySize();
-
-  ScopedCacaCanvas canvas_;
-  ScopedCacaDisplay display_;
-
-  // Size of the console in characters. This can be changed by setting
-  // CACA_GEOMETRY environment variable.
-  gfx::Size physical_size_;
-
-  // Size of the backing buffer we draw into. Size in pixels.
-  gfx::Size bitmap_size_;
-
-  DISALLOW_COPY_AND_ASSIGN(CacaConnection);
-};
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_CACA_CACA_CONNECTION_H_