Gamepad API: tests for gamepad events

LayoutTests/gamepad/gamepad-api-expected.txt

+CONSOLE WARNING: 'navigator.webkitGetGamepads' is deprecated. Please use 'navigator.getGamepads' instead.
+Validates the exposed Gamepad API.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
 PASS navigator.webkitGetGamepads is defined.
 PASS navigator.getGamepads is defined.
+PASS GamepadEvent is defined.
+PASS webkitGamepads.length is 4
+PASS webkitGamepads[0] is undefined.
+PASS Object.prototype.toString.call(webkitGamepads.item) is "[object Function]"
+PASS webkitGamepads.item(0) is null
+PASS gamepads.length is 4
+PASS gamepads[0] is undefined.
+PASS Object.prototype.toString.call(gamepads.item) is "[object Function]"
+PASS gamepads.item(0) is null
+PASS gamepad is non-null.
+PASS gamepad.connected is true
+PASS gamepad.__proto__ is WebKitGamepad.prototype
+PASS Object.prototype.toString.call(gamepad.id) is "[object String]"
+PASS Object.prototype.toString.call(gamepad.connected) is "[object Boolean]"
+PASS Object.prototype.toString.call(gamepad.index) is "[object Number]"
+PASS Object.prototype.toString.call(gamepad.timestamp) is "[object Number]"
+PASS Object.prototype.toString.call(gamepad.axes) is "[object Array]"
+PASS Object.prototype.toString.call(gamepad.axes[0]) is "[object Number]"
+PASS Object.prototype.toString.call(gamepad.buttons) is "[object Array]"
+PASS Object.prototype.toString.call(gamepad.buttons[0]) is "[object Number]"
+PASS gamepad is non-null.
+PASS gamepad.connected is true
+PASS gamepad.__proto__ is Gamepad.prototype
+PASS Object.prototype.toString.call(gamepad.id) is "[object String]"
+PASS Object.prototype.toString.call(gamepad.connected) is "[object Boolean]"
+PASS Object.prototype.toString.call(gamepad.index) is "[object Number]"
+PASS Object.prototype.toString.call(gamepad.timestamp) is "[object Number]"
+PASS Object.prototype.toString.call(gamepad.axes) is "[object Array]"
+PASS Object.prototype.toString.call(gamepad.axes[0]) is "[object Number]"
+PASS Object.prototype.toString.call(gamepad.buttons) is "[object Array]"
+PASS Object.prototype.toString.call(gamepad.buttons[0].pressed) is "[object Boolean]"
+PASS Object.prototype.toString.call(gamepad.buttons[0].value) is "[object Number]"
+PASS Object.prototype.toString.call(gamepad.mapping) is "[object String]"
 PASS successfullyParsed is true
 
 TEST COMPLETE
-Make sure the main polling access point exists on navigator.
+