1. DomName('CompositorWorkerGlobalScope.requestAnimationFrame')
  2. DocsEditable()
  3. Experimental()
int requestAnimationFrame(FrameRequestCallback callback(num highResTime))

Source 

@DomName('CompositorWorkerGlobalScope.requestAnimationFrame')
@DocsEditable()
@Experimental() // untriaged
int requestAnimationFrame(FrameRequestCallback callback) => _blink.BlinkCompositorWorkerGlobalScope.instance.requestAnimationFrame_Callback_1_(this, callback);