bindings: Use IDL dictionary to implement FontFaceSetLoadEventInit

Source/core/css/FontFaceSetLoadEvent.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FontFaceSetLoadEvent_h
 #define FontFaceSetLoadEvent_h
 
 #include "core/css/FontFace.h"
+#include "core/css/FontFaceSetLoadEventInit.h"
 #include "core/dom/DOMError.h"
 #include "core/events/Event.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
-struct FontFaceSetLoadEventInit : public EventInit {
-    FontFaceArray fontfaces;
-};
-
 class FontFaceSetLoadEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<FontFaceSetLoadEvent> create()
     {
         return adoptRefWillBeNoop(new FontFaceSetLoadEvent());
     }
 
     static PassRefPtrWillBeRawPtr<FontFaceSetLoadEvent> create(const AtomicString& type, const FontFaceSetLoadEventInit& initializer)
     {
@@ skipping 17 matching lines @@
     FontFaceSetLoadEvent();
     FontFaceSetLoadEvent(const AtomicString&, const FontFaceArray&);
     FontFaceSetLoadEvent(const AtomicString&, const FontFaceSetLoadEventInit&);
 
     FontFaceArray m_fontfaces;
 };
 
 } // namespace blink
 
 #endif // FontFaceSetLoadEvent_h