Removed deprecated navigator.webkitGetGamepads.

Source/modules/gamepad/WebKitGamepad.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 WebKitGamepad_h
-#define WebKitGamepad_h
-
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "modules/gamepad/GamepadCommon.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Vector.h"
-
-namespace blink {
-
-class WebKitGamepad final : public GarbageCollectedFinalized<WebKitGamepad>, public GamepadCommon, public ScriptWrappable {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    static WebKitGamepad* create()
-    {
-        return new WebKitGamepad();
-    }
-    ~WebKitGamepad();
-
-    typedef Vector<float> FloatVector;
-
-    const FloatVector& buttons() const { return m_buttons; }
-    void setButtons(unsigned count, const WebGamepadButton* data);
-
-    void trace(Visitor*) { }
-
-private:
-    WebKitGamepad();
-    FloatVector m_buttons;
-};
-
-} // namespace blink
-
-#endif // WebKitGamepad_h