Remove more mouse-specific code

sky/engine/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 1569 matching lines @@
 {
     if (!m_hoverNode)
         return;
 
     if (node != m_hoverNode && (!m_hoverNode->isTextNode() || node != NodeRenderingTraversal::parent(m_hoverNode.get())))
         return;
 
     m_hoverNode = NodeRenderingTraversal::parent(node);
     while (m_hoverNode && !m_hoverNode->renderer())
         m_hoverNode = NodeRenderingTraversal::parent(m_hoverNode.get());
-
-    // If the mouse cursor is not visible, do not clear existing
-    // hover effects on the ancestors of |node| and do not invoke
-    // new hover effects on any other element.
-    if (!page()->isCursorVisible())
-        return;
-
-    if (frame())
-        frame()->eventHandler().scheduleHoverStateUpdate();
 }
 
 void Document::activeChainNodeDetached(Node* node)
 {
     if (!m_activeHoverElement)
         return;
 
     if (node != m_activeHoverElement)
         return;
 
@@ skipping 795 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif