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

Source/modules/gamepad/WebKitGamepadList.h

Index: Source/modules/gamepad/WebKitGamepadList.h
diff --git a/Source/modules/gamepad/WebKitGamepadList.h b/Source/modules/gamepad/WebKitGamepadList.h
new file mode 100644
index 0000000000000000000000000000000000000000..9c4a93e4452275231f26be37cfd899ba7172230a
--- /dev/null
+++ b/Source/modules/gamepad/WebKitGamepadList.h
@@ -0,0 +1,40 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WebKitGamepadList_h
+#define WebKitGamepadList_h
+
+#include "bindings/v8/ScriptWrappable.h"
+#include "heap/Handle.h"
+#include "modules/gamepad/WebKitGamepad.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+#include "wtf/Vector.h"
+
+namespace WebCore {
+
+class WebKitGamepadList : public RefCountedWillBeGarbageCollectedFinalized<WebKitGamepadList>, public ScriptWrappable {
+public:
+    static PassRefPtrWillBeRawPtr<WebKitGamepadList> create() { return adoptRefWillBeNoop(new WebKitGamepadList); }
+    ~WebKitGamepadList();
+
+    void set(unsigned index, PassRefPtrWillBeRawPtr<WebKitGamepad>);
+    WebKitGamepad* item(unsigned index);
+    unsigned length() const;
+
+    void trace(Visitor*);
+
+private:
+    enum { kMaximumGamepads = 4 };
+    WebKitGamepadList()
+    {
+        ScriptWrappable::init(this);
+    }
+
+    RefPtrWillBeMember<WebKitGamepad> m_items[kMaximumGamepads];
+};
+
+} // namespace WebCore
+
+#endif // WebKitGamepadList_h