Examples: Clean up

examples/js/postprocessing/SAOPass.js

@@ -147,7 +147,7 @@ THREE.SAOPass = function ( scene, camera, depthTexture, useNormals, resolution )
 	this.materialCopy.blendDstAlpha = THREE.ZeroFactor;
 	this.materialCopy.blendEquationAlpha = THREE.AddEquation;
 
-	if ( THREE.CopyShader === undefined ) {
+	if ( THREE.UnpackDepthRGBAShader === undefined ) {
 
 		console.error( 'THREE.SAOPass relies on THREE.UnpackDepthRGBAShader' );
 
@@ -175,7 +175,7 @@ THREE.SAOPass.OUTPUT = {
 THREE.SAOPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
 	constructor: THREE.SAOPass,
 
-	render: function ( renderer, writeBuffer, readBuffer, deltaTime, maskActive ) {
+	render: function ( renderer, writeBuffer, readBuffer/*, deltaTime, maskActive*/ ) {
 
 		// Rendering readBuffer first when rendering to screen
 		if ( this.renderToScreen ) {