Added non-prefixed navigator.getGamepads() with updated API

Source/modules/gamepad/GamepadList.h

Index: Source/modules/gamepad/GamepadList.h
diff --git a/Source/modules/gamepad/GamepadList.h b/Source/modules/gamepad/GamepadList.h
index 78c7e75a5e1e3fcdb79e0543b58c76d1988d5191..b19e6afc5c042d2e2ff471da76bf39ceb9734733 100644
--- a/Source/modules/gamepad/GamepadList.h
+++ b/Source/modules/gamepad/GamepadList.h
@@ -29,13 +29,14 @@
 #include "bindings/v8/ScriptWrappable.h"
 #include "heap/Handle.h"
 #include "modules/gamepad/Gamepad.h"
+#include "public/platform/WebGamepads.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class GamepadList : public RefCountedWillBeGarbageCollected<GamepadList>, public ScriptWrappable {
+class GamepadList : public RefCountedWillBeGarbageCollectedFinalized<GamepadList>, public ScriptWrappable {
 public:
     static PassRefPtrWillBeRawPtr<GamepadList> create() { return adoptRefWillBeNoop(new GamepadList); }
     ~GamepadList();
@@ -47,13 +48,12 @@ public:
     void trace(Visitor*);
 
 private:
-    enum { kMaximumGamepads = 4 };
     GamepadList()
     {
         ScriptWrappable::init(this);
     }
 
-    RefPtrWillBeMember<Gamepad> m_items[kMaximumGamepads];
+    RefPtrWillBeMember<Gamepad> m_items[blink::WebGamepads::itemsLengthCap];
 };
 
 } // namespace WebCore