Adding a Wayland basic toolkit

ui/wayland/wayland_cursor.h

Index: ui/wayland/wayland_cursor.h
diff --git a/ui/wayland/wayland_cursor.h b/ui/wayland/wayland_cursor.h
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+++ b/ui/wayland/wayland_cursor.h
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+// Copyright (c) 2011 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_WAYLAND_WAYLAND_CURSOR_H_
+#define UI_WAYLAND_WAYLAND_CURSOR_H_
+
+#include "base/basictypes.h"
+
+namespace ui {
+
+class WaylandDisplay;
+class WaylandShmBuffer;
+
+// This class allows applications to change the currently displaying cursor.
+class WaylandCursor {
+ public:
+  // Types of Wayland cursors supported
+  enum Type {
+    ARROW_CURSOR,
+    HAND_CURSOR,
+  };
+
+  explicit WaylandCursor(WaylandDisplay* display);
+  ~WaylandCursor();
+
+  // Used to change the current type to the type specified in 'type'
+  void ChangeCursor(Type type);
+
+ private:
+  // Pointer to the current display. This is not owned by this class.
+  WaylandDisplay* display_;
+  // The currently set cursor image.
+  // This class should dispose of this on deletion.
+  WaylandShmBuffer* buffer_;
+
+  DISALLOW_COPY_AND_ASSIGN(WaylandCursor);
+};
+
+}  // namespace ui
+
+#endif  // UI_WAYLAND_WAYLAND_CURSOR_H_