Method constructor

packages/tests/utils.js:334–337

(gl: WebGLRenderingContext)

  class Loader extends WebGLTextureLoader<typeof textureId> {
    texture: ?Texture = null;
    constructor(gl: WebGLRenderingContext) {
      super(gl);
      ++counters.constructor;
    }
    dispose() {
      ++counters.dispose;
    }