1. @DomName('CompositorWorkerGlobalScope.cancelAnimationFrame')
  2. @DocsEditable()
  3. @Experimental()
void cancelAnimationFrame(int handle)

Source 

@DomName('CompositorWorkerGlobalScope.cancelAnimationFrame')
@DocsEditable()
@Experimental() // untriaged
void cancelAnimationFrame(int handle) =>
    _blink.BlinkCompositorWorkerGlobalScope.instance
        .cancelAnimationFrame_Callback_1_(this, handle);