Support the legacy "newsstandAvailable" property

lib/notification.js

@@ -68,6 +68,13 @@ Notification.prototype = {
 		if (typeof value == "boolean" || value === undefined) {
 			this._contentAvailable = value;
 		}
+	},
+
+	get newsstandAvailable() {
+		return this.contentAvailable;
+	},
+	set newsstandAvailable(value) {
+		this.contentAvailable = value;
 	}
 }
 

test/notification.js

@@ -118,6 +118,18 @@ describe("Notification", function() {
 				note.contentAvailable = "true";
 				expect(note.contentAvailable).to.be.undefined;
 			});
+
+			describe("newsstand-available property", function() {
+				it("sets the content available flag", function() {
+					note.newsstandAvailable = true;
+					expect(note.contentAvailable).to.equal(true);
+				});
+
+				it("returns the content-available flag", function() {
+					note.contentAvailable = false;
+					expect(note.newsstandAvailable).to.equal(false);
+				});
+			});
 		});
 	});