Allowing renaming on DOM members on a per-method basis

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_config.dart';
 import 'dart:html';
 import 'dart:math';
 
@@ skipping 512 matching lines @@
       checkPixel(readPixel(69, 69), [0, 0, 255, 255]);
       expectPixelFilled(50, 50);
       expectPixelFilled(55, 55);
       expectPixelFilled(59, 59);
       expectPixelFilled(60, 60);
       expectPixelFilled(69, 69);
       expectPixelUnfilled(70, 70);
       expectPixelUnfilled(0, 0);
       expectPixelUnfilled(80, 80);
     });
+
+    test('createImageData', () {
+      var imageData = context.createImageData(15, 15);
+      expect(imageData.width, 15);
+      expect(imageData.height, 15);
+
+      var other = context.createImageDataFromData(imageData);
+      expect(other.width, 15);
+      expect(other.height, 15);
+    });
   });
 }