1. @DomName('WebGL2RenderingContext.uniform3i')
  2. @DocsEditable()
  3. @Experimental()
void uniform3i(UniformLocation location, int x, int y, int z)

Source 

@DomName('WebGL2RenderingContext.uniform3i')
@DocsEditable()
@Experimental() // untriaged
void uniform3i(UniformLocation location, int x, int y, int z) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .uniform3i_Callback_4_(this, location, x, y, z);