Filter: Use direct filter in winnow

for both simple and complex selectors

Fixes gh-3272
Closes gh-3910

src/traversing/findFilter.js

@@ -8,8 +8,6 @@ define( [

"use strict";

var risSimple = /^.[^:#\[\.,]*$/;

// Implement the identical functionality for filter and not
function winnow( elements, qualifier, not ) {
	if ( isFunction( qualifier ) ) {
@@ -32,16 +30,8 @@ function winnow( elements, qualifier, not ) {
		} );
	}

	// Simple selector that can be filtered directly, removing non-Elements
	if ( risSimple.test( qualifier ) ) {
		return jQuery.filter( qualifier, elements, not );
	}

	// Complex selector, compare the two sets, removing non-Elements
	qualifier = jQuery.filter( qualifier, elements );
	return jQuery.grep( elements, function( elem ) {
		return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
	} );
	// Filtered directly for both simple and complex selectors
	return jQuery.filter( qualifier, elements, not );
}

jQuery.filter = function( expr, elems, not ) {