Remove attrs sky doesn't support.

sky/engine/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 128 matching lines @@
     // Handle the provided non-scroll gesture event. Should be called only on the inner frame.
     bool handleGestureEventInFrame(const GestureEventWithHitTestResults&);
 
     // Handle the provided scroll gesture event, propagating down to child frames as necessary.
     bool handleGestureScrollEvent(const PlatformGestureEvent&);
     bool handleGestureScrollEnd(const PlatformGestureEvent&);
     bool isScrollbarHandlingGestures() const;
 
     void setMouseDownMayStartAutoscroll() { m_mouseDownMayStartAutoscroll = true; }
 
-    static unsigned accessKeyModifiers();
-    bool handleAccessKey(const PlatformKeyboardEvent&);
     bool keyEvent(const PlatformKeyboardEvent&);
     void defaultKeyboardEventHandler(KeyboardEvent*);
 
     bool handleTextInputEvent(const String& text, Event* underlyingEvent = 0, TextEventInputType = TextEventInputKeyboard);
     void defaultTextInputEventHandler(TextEvent*);
 
     void focusDocumentView();
 
     void capsLockStateMayHaveChanged(); // Only called by FrameSelection
 
@@ skipping 168 matching lines @@
     bool m_didStartDrag;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     RefPtr<Element> m_lastDeferredTapElement;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_