1. @DomName('WebGL2RenderingContext.deleteBuffer')
  2. @DocsEditable()
  3. @Experimental()
void deleteBuffer(Buffer buffer)

Source 

@DomName('WebGL2RenderingContext.deleteBuffer')
@DocsEditable()
@Experimental() // untriaged
void deleteBuffer(Buffer buffer) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .deleteBuffer_Callback_1_(this, buffer);