1. @DomName('WebGLRenderingContext.deleteShader')
  2. @DocsEditable()
void deleteShader(Shader shader)

Source 

@DomName('WebGLRenderingContext.deleteShader')
@DocsEditable()
void deleteShader(Shader shader) => _blink.BlinkWebGLRenderingContext.instance
    .deleteShader_Callback_1_(this, shader);