Remove a number of unused features from WebViewImpl

sky/engine/core/page/Page.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 88 matching lines @@
     PageAnimator& animator() { return m_animator; }
     Chrome& chrome() const { return *m_chrome; }
     AutoscrollController& autoscrollController() const { return *m_autoscrollController; }
     DragCaretController& dragCaretController() const { return *m_dragCaretController; }
     FocusController& focusController() const { return *m_focusController; }
 
     Settings& settings() const { return *m_settings; }
 
     UseCounter& useCounter() { return m_useCounter; }
 
-    void setTabKeyCyclesThroughElements(bool b) { m_tabKeyCyclesThroughElements = b; }
-    bool tabKeyCyclesThroughElements() const { return m_tabKeyCyclesThroughElements; }
-
     void unmarkAllTextMatches();
 
     float deviceScaleFactor() const { return m_deviceScaleFactor; }
     void setDeviceScaleFactor(float);
 
     PageVisibilityState visibilityState() const;
     void setVisibilityState(PageVisibilityState, bool);
 
     bool isCursorVisible() const;
     void setIsCursorVisible(bool isVisible) { m_isCursorVisible = isVisible; }
@@ skipping 53 matching lines @@
     // other, thus keeping each other alive. The call to willBeDestroyed()
     // breaks this cycle, so the frame is still properly destroyed once no
     // longer needed.
     LocalFrame* m_mainFrame;
 
     EditorClient* const m_editorClient;
     SpellCheckerClient* const m_spellCheckerClient;
 
     UseCounter m_useCounter;
 
-    bool m_tabKeyCyclesThroughElements;
-
     float m_deviceScaleFactor;
 
     double m_timerAlignmentInterval;
 
     PageVisibilityState m_visibilityState;
 
     bool m_isCursorVisible;
 
 #if ENABLE(ASSERT)
     bool m_isPainting;
 #endif
 
     HashSet<RawPtr<MultisamplingChangedObserver> > m_multisamplingChangedObservers;
 
     // A pointer to all the interfaces provided to in-process Frames for this Page.
     // FIXME: Most of the members of Page should move onto FrameHost.
     OwnPtr<FrameHost> m_frameHost;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_PAGE_PAGE_H_