Merge 97114 - <rdar://problem/10246137> Duplicate ::after content when both ::before and ::after ...

Source/WebCore/rendering/RenderTable.cpp

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 157 matching lines @@
 
     if (!wrapInAnonymousSection) {
         // If the next renderer is actually wrapped in an anonymous table section, we need to go up and find that.
         while (beforeChild && beforeChild->parent() != this)
             beforeChild = beforeChild->parent();
 
         RenderBox::addChild(child, beforeChild);
         return;
     }
 
-    if (!beforeChild && lastChild() && lastChild()->isTableSection() && lastChild()->isAnonymous()) {
+    if (!beforeChild && lastChild() && lastChild()->isTableSection() && lastChild()->isAnonymous() && !lastChild()->isBeforeContent()) {
         lastChild()->addChild(child);
         return;
     }
 
     if (beforeChild && !beforeChild->isAnonymous() && beforeChild->parent() == this) {
         RenderObject* section = beforeChild->previousSibling();
         if (section && section->isTableSection()) {
             ASSERT(section->isAnonymous());
             section->addChild(child);
             return;
@@ skipping 1028 matching lines @@
     if (visibleToHitTesting() && (action == HitTestBlockBackground || action == HitTestChildBlockBackground) && boundsRect.intersects(result.rectForPoint(pointInContainer))) {
         updateHitTestResult(result, flipForWritingMode(pointInContainer - toLayoutSize(adjustedLocation)));
         if (!result.addNodeToRectBasedTestResult(node(), pointInContainer, boundsRect))
             return true;
     }
 
     return false;
 }
 
 }