1. @DomName('Window.cancelIdleCallback')
  2. @DocsEditable()
  3. @Experimental()
void cancelIdleCallback(int handle)

Source 

@DomName('Window.cancelIdleCallback')
@DocsEditable()
@Experimental() // untriaged
void cancelIdleCallback(int handle) =>
    _blink.BlinkWindow.instance.cancelIdleCallback_Callback_1_(this, handle);