Sync Navigator.getGamepads() with the spec

LayoutTests/gamepad/gamepad-api.html

Index: LayoutTests/gamepad/gamepad-api.html
diff --git a/LayoutTests/gamepad/gamepad-api.html b/LayoutTests/gamepad/gamepad-api.html
index 5eb03436ecf700499854495db67ca2034cc29b42..2fac9e307961eff4d9ab6089c9926239975ba09e 100644
--- a/LayoutTests/gamepad/gamepad-api.html
+++ b/LayoutTests/gamepad/gamepad-api.html
@@ -8,10 +8,11 @@
     shouldBeDefined("GamepadEvent");
 
     gamepads = navigator.getGamepads();
-    shouldBe("gamepads.length", "4");
-    shouldBeUndefined("gamepads[0]");
-    shouldBe("gamepads.item.__proto__", "Function.prototype")
-    shouldBeNull("gamepads.item(0)");
+    shouldBeType("gamepads", "Array");
+    shouldBe("gamepads.length", "0");
+
+    // A new Array object must be returned every time.
+    shouldBeFalse("navigator.getGamepads() === navigator.getGamepads()");
 
     if (window.gamepadController)
     {