Tooltip: remove name from live Region

Fixes: #11272

Author: Jiabao

tests/unit/tooltip/tooltip_core.js

@@ -220,3 +220,21 @@ asyncTest( "multiple active delegated tooltips", function() {
 });
 
 }( jQuery ) );
+
+// http://bugs.jqueryui.com/ticket/11272
+test ( "remove radio button name conflict between live Region and tooltip content", function () {
+	expect( 1 );
+
+	var element = $( "<div id='content'>" +
+		"<input type='radio' name='hobby' checked='checked'><label>option 1</label>" +
+		"<input type='radio' name='hobby'><label>option 2</label>" +
+		"</div>" );
+	$( "#tooltipped1" )
+		.tooltip({
+			content: element,
+			open: function( event, ui ) {
+				equal( $( ".ui-helper-hidden-accessible [name]" ).length, 0, 'no name attr within liveRegion');
+			}
+		})
+		.tooltip( "open" );
+});

ui/tooltip.js

@@ -287,6 +287,7 @@ $.widget( "ui.tooltip", {
 		// Voiceover will sometimes re-read the entire log region's contents from the beginning
 		this.liveRegion.children().hide();
 		a11yContent = $( "<div>" ).html( tooltip.find( ".ui-tooltip-content" ).html() );
+		a11yContent.removeAttr( "name" ).find( "[name]" ).removeAttr( "name" );
 		a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
 		a11yContent.appendTo( this.liveRegion );