Refactored OpenGL embedder that works on Android, Mac or Linux.

runtime/embedders/openglui/common/types.h

+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#ifndef EMBEDDERS_OPENGLUI_COMMON_TYPES_H_
+#define EMBEDDERS_OPENGLUI_COMMON_TYPES_H_
+
+struct Location {
+  Location() : pos_x_(0), pos_y_(0) {
+  };
+  void setPosition(float pos_x, float pos_y) {
+    pos_x_ = pos_x;
+    pos_y_ = pos_y;
+  }
+  void translate(float amount_x, float amount_y) {
+    pos_x_ += amount_x;
+    pos_y_ += amount_y;
+  }
+
+  float pos_x_, pos_y_;
+};
+
+#endif  // EMBEDDERS_OPENGLUI_COMMON_TYPES_H_
+