1. @DomName('WebGLRenderingContext.deleteFramebuffer')
  2. @DocsEditable()
void deleteFramebuffer(Framebuffer framebuffer)

Source 

@DomName('WebGLRenderingContext.deleteFramebuffer')
@DocsEditable()
void deleteFramebuffer(Framebuffer framebuffer) =>
    _blink.BlinkWebGLRenderingContext.instance
        .deleteFramebuffer_Callback_1_(this, framebuffer);