Remove a number of unused features from WebViewImpl

sky/engine/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * 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.
@@ skipping 2175 matching lines @@
 }
 
 void EventHandler::defaultTextInputEventHandler(TextEvent* event)
 {
     if (m_frame->editor().handleTextEvent(event))
         event->setDefaultHandled();
 }
 
 void EventHandler::defaultTabEventHandler(KeyboardEvent* event)
 {
-    ASSERT(event->type() == EventTypeNames::keydown);
-
-    // We should only advance focus on tabs if no special modifier keys are held down.
-    if (event->ctrlKey() || event->metaKey())
-        return;
-
-    Page* page = m_frame->page();
-    if (!page)
-        return;
-    if (!page->tabKeyCyclesThroughElements())
-        return;
-
-    FocusType focusType = event->shiftKey() ? FocusTypeBackward : FocusTypeForward;
-
-    if (page->focusController().advanceFocus(focusType))
-        event->setDefaultHandled();
 }
 
 void EventHandler::capsLockStateMayHaveChanged()
 {
 }
 
 bool EventHandler::passMousePressEventToScrollbar(MouseEventWithHitTestResults& mev)
 {
     // FIXME(sky): Remove
     return false;
@@ skipping 350 matching lines @@
 
 void EventHandler::focusDocumentView()
 {
     Page* page = m_frame->page();
     if (!page)
         return;
     page->focusController().focusDocumentView(m_frame);
 }
 
 } // namespace blink