// y pixel 100 = y1 line (green)
// y pixels 0-99 = nothing (white)
- var canvas = g.hidden_ctx_;
- var imageData = canvas.getImageData(0, 0, 400, 300);
+ // TODO(danvk): factor this and getPixel() into a utility usable by all tests.
+ var ctx = g.hidden_ctx_;
+ var imageData = ctx.getImageData(0, 0, 400, 300);
assertEquals(400, imageData.width);
assertEquals(300, imageData.height);