Revert "Merge branch '8099' of https://github.com/rwldrn/jquery into rwldrn-8099"

This reverts commit bb940851, reversing
changes made to 3ad8dd24.

Conflicts:

	src/effects.js

src/effects.js

@@ -505,42 +505,17 @@ if ( jQuery.expr && jQuery.expr.filters ) {
 }
 
 function defaultDisplay( nodeName ) {
-	var stylesheets = document.styleSheets,
-			disabled = [],
-			elem, display, style, idx;
-
 	if ( !elemdisplay[ nodeName ] ) {
+		var elem = jQuery("<" + nodeName + ">").appendTo("body"),
+			display = elem.css("display");
 
-		// #8099 - If the end-dev has globally changed a default
-		// display, we can temporarily disable their styles to check
-		// for the correct default value
-		for ( idx = 0; idx < stylesheets.length; ++idx  ) {
-			style = stylesheets[ idx ];
-			disabled[ idx ] = style.disabled;
-			style.disabled = true;
-		}
-
-		// To accurately check an element's default display value,
-		// create a temp element and check it's default display, this
-		// will ensure that the value returned is not a user-tampered
-		// value.
-		elem = jQuery("<" + nodeName + ">").appendTo("body");
-		display = elem.css("display");
-
-		// Remove temp element
 		elem.remove();
 
 		if ( display === "none" || display === "" ) {
 			display = "block";
 		}
 
-		// Store the correct default display
 		elemdisplay[ nodeName ] = display;
-
-		// Restore stylesheets
-		for ( idx = 0; idx < stylesheets.length; ++idx  ) {
-			stylesheets[ idx ].disabled = disabled[ idx ];
-		}
 	}
 
 	return elemdisplay[ nodeName ];

test/data/testsuite.css

@@ -109,6 +109,3 @@ div#show-tests * { display: none; }
 #nothiddendiv { font-size: 16px; }
 #nothiddendivchild.em { font-size: 2em; }
 #nothiddendivchild.prct { font-size: 150%; }
-
-/* 8099 changes to default styles are read correctly */
-tt { display: none; }

test/unit/effects.js

@@ -162,18 +162,6 @@ test("Persist correct display value", function() {
 	});
 });
 
-test("show() resolves correct default display #8099", function() {
-	expect(3);
-	var bug8099 = jQuery("<tt/>").appendTo("#main");
-
-	equals( bug8099.css("display"), "none", "default display override for all tt" );
-	equals( bug8099.show().css("display"), "inline", "Correctly resolves display:inline" );
-
-	bug8099.remove();
-
-	equals( jQuery("#foo").hide().show().css("display"), "block", "Correctly resolves display:block after hide/show" );
-});
-
 test("animate(Hash, Object, Function)", function() {
 	expect(1);
 	stop();