Sync with Browser.hx 96cb03929c.

std/js/html/webgl/RenderingContext.hx

@@ -23,6 +23,9 @@
 // This file is generated, do not edit!
 package js.html.webgl;
 
+/** An alias for accessing GL constants more easily. */
+typedef GL = RenderingContext;
+
 @:native("WebGLRenderingContext")
 extern class RenderingContext extends js.html.CanvasRenderingContext
 {