Reapply expanding overloaded functions into separate functions.

tests/html/webgl_1_test.dart

 // Copyright (c) 2013, 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.
 
 library web_gl_test;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
+import 'dart:typed_data';
 import 'dart:web_gl';
 import 'dart:web_gl' as gl;
 
 // Test that WebGL is present in dart:web_gl API
 
 main() {
   useHtmlIndividualConfiguration();
 
   group('supported', () {
     test('supported', () {
@@ skipping 27 matching lines @@
       test('getContext3d', () {
         var canvas = new CanvasElement();
         var context = canvas.getContext3d();
         expect(context, isNotNull);
         expect(context, new isInstanceOf<RenderingContext>());
 
         context = canvas.getContext3d(depth: false);
         expect(context, isNotNull);
         expect(context, new isInstanceOf<RenderingContext>());
       });
+
+      test('texImage2D', () {
+        var canvas = new CanvasElement();
+        var context = canvas.getContext3d();
+        var pixels = new Uint8List.fromList([0,0,3,255,0,0,0,0,0,0]);
+        context.texImage2D(1, 1, 1, 1, 10, 10, 1, 1, pixels);
+
+        canvas = new CanvasElement();
+        document.body.children.add(canvas);
+        var context2 = canvas.getContext('2d');
+        context.texImage2DData(1, 1, 1, 1, 10,
+            context2.getImageData(10, 10, 10, 10));
+
+        context.texImage2DImage(1, 1, 1, 1, 10, new ImageElement());
+        context.texImage2DCanvas(1, 1, 1, 1, 10, new CanvasElement());
+        context.texImage2DVideo(1, 1, 1, 1, 10, new VideoElement());
+      });
+
+      test('texSubImage2D', () {
+        var canvas = new CanvasElement();
+        var context = canvas.getContext3d();
+        var pixels = new Uint8List.fromList([0,0,3,255,0,0,0,0,0,0]);
+        context.texSubImage2D(1, 1, 1, 1, 10, 10, 1, 1, pixels);
+
+        canvas = new CanvasElement();
+        document.body.children.add(canvas);
+        var context2 = canvas.getContext('2d');
+        context.texSubImage2DData(1, 1, 1, 1, 1, 10,
+            context2.getImageData(10, 10, 10, 10));
+
+        context.texSubImage2DImage(1, 1, 1, 1, 1, 10, new ImageElement());
+        context.texSubImage2DCanvas(1, 1, 1, 1, 1, 10, new CanvasElement());
+        context.texSubImage2DVideo(1, 1, 1, 1, 1, 10, new VideoElement());
+      });
     }
   });
 }