Removed deprecated navigator.webkitGetGamepads.

Source/modules/gamepad/WebKitGamepadList.h

-// 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/core/v8/ScriptWrappable.h"
-#include "modules/gamepad/WebKitGamepad.h"
-#include "platform/heap/Handle.h"
-#include "public/platform/WebGamepads.h"
-
-namespace blink {
-
-class WebKitGamepadList final : public GarbageCollected<WebKitGamepadList>, public ScriptWrappable {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    static WebKitGamepadList* create()
-    {
-        return new WebKitGamepadList;
-    }
-
-    void set(unsigned index, WebKitGamepad*);
-    WebKitGamepad* item(unsigned index);
-    unsigned length() const { return WebGamepads::itemsLengthCap; }
-
-    void trace(Visitor*);
-
-private:
-    WebKitGamepadList();
-    Member<WebKitGamepad> m_items[WebGamepads::itemsLengthCap];
-};
-
-} // namespace blink
-
-#endif // WebKitGamepadList_h