Added raytracer to gl samples.

samples/simplegl/web/gl_html.dart

Index: samples/simplegl/web/gl_html.dart
diff --git a/samples/simplegl/web/gl_html.dart b/samples/simplegl/web/gl_html.dart
deleted file mode 100644
index 880fd4f1da4d2168fce8f421406f6ce1be17d02d..0000000000000000000000000000000000000000
--- a/samples/simplegl/web/gl_html.dart
+++ /dev/null
@@ -1,24 +0,0 @@
-// 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.
-
-/**
- * An HTML-based prototype implementation for GL.
- */
-library gl_html;
-
-import 'dart:html';
-import 'gl.dart';
-
-class HtmlGlContext extends GlContext {
-  WebGLRenderingContext _context;
-  HtmlGlContext(this._context);
-
-  int get COLOR_BUFFER_BIT => WebGLRenderingContext.COLOR_BUFFER_BIT;
-  int get DEPTH_BUFFER_BIT => WebGLRenderingContext.DEPTH_BUFFER_BIT;
-
-  void clearColor(num red, num green, num blue, num alpha) =>
-      _context.clearColor(red, green, blue, alpha);
-  void clear(int mask) =>
-      _context.clear(mask);
-}