Calendar: Remove unneeded row and gridcell role attributes

Author: fnagel

tests/unit/calendar/core.js

@@ -401,7 +401,7 @@ QUnit.test( "mouse", function( assert ) {
 } );
 
 QUnit.test( "ARIA", function( assert ) {
-	assert.expect( 15 );
+	assert.expect( 12 );
 
 	var id = this.element.attr( "id" ),
 		headerId = id + "-title",
@@ -426,17 +426,11 @@ QUnit.test( "ARIA", function( assert ) {
 
 	assert.equal( table.children( "thead" ).attr( "role" ), "presentation",
 		"Table head role attribute" );
-	assert.equal( table.find( "thead tr" ).attr( "role" ), "row",
-		"Table head row role attribute" );
 	assert.equal( table.find( "thead th" ).first().attr( "role" ), "columnheader",
 		"Table head cell role attribute" );
 
 	assert.equal( table.children( "tbody" ).attr( "role" ), "presentation",
 		"Table body role attribute" );
-	assert.equal( table.find( "tbody tr" ).attr( "role" ), "row",
-		"Table body row role attribute" );
-	assert.equal( table.find( "tbody td" ).first().attr( "role" ), "gridcell",
-		"Table body cell role attribute" );
 	assert.equal( table.find( "tbody td" ).first().attr( "aria-describedby" ),
 		monthLabelId, "Table body cell ARIA describedby attribute" );
 } );

ui/widgets/calendar.js

@@ -408,7 +408,7 @@ return $.widget( "ui.calendar", {
 	_buildGridHeading: function() {
 		var head = $( "<thead role='presentation'>" ),
 			week = $( "<th>" ),
-			row = $( "<tr role='row'>" ),
+			row = $( "<tr>" ),
 			i = 0,
 			weekDayLength = this._getViewDate().weekdays().length,
 			weekdays = this._getViewDate().weekdays();
@@ -463,7 +463,6 @@ return $.widget( "ui.calendar", {
 			dateObject = new Date( day.timestamp ),
 			dayName = this._calendarDateOptions.formatWeekdayFull( dateObject ),
 			attributes = [
-				"role='gridcell'",
 				"aria-selected='" + ( this._isCurrent( day ) ? true : false ) + "'",
 				"aria-label='" + dayName + ", " + this._format( dateObject ) + "'",
 				"aria-describedby='" + this._getGridId() + "-month-label'"