createPatternFromImage doesn't work on Firefox. Removing until we have a

tests/html/canvasrenderingcontext2d_test.dart

 // 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.
 
 library canvas_rendering_context_2d_test; import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
 import 'dart:math';
 
 // Some rounding errors in the browsers.
@@ skipping 653 matching lines @@
       expect(imageData.width, 15);
       expect(imageData.height, 15);
 
       var other = context.createImageDataFromImageData(imageData);
       expect(other.width, 15);
       expect(other.height, 15);
     });
 
     test('createPattern', () {
       var pattern = context.createPattern(new CanvasElement(), '');
-      var pattern2 = context.createPatternFromImage(new ImageElement(), '');
+      //var pattern2 = context.createPatternFromImage(new ImageElement(), '');

[Jennifer Messerly, 2013/07/02 23:51:37]

is it possible to guard this in some sort of an `if (!firefox)` ?

(or maybe catch the "component not available" exception, if that's a valid
result?)

     });
   });
 }