Merge 142760

Source/WebCore/rendering/RenderBoxModelObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 313 matching lines @@
             gImageQualityController = 0;
         }
     }
 }
 
 void RenderBoxModelObject::willBeDestroyed()
 {
     // A continuation of this RenderObject should be destroyed at subclasses.
     ASSERT(!continuation());
 
-    if (isPositioned()) {
-        if (RenderView* view = this->view()) {
-            if (FrameView* frameView = view->frameView()) {
-                if (style()->hasViewportConstrainedPosition())
-                    frameView->removeViewportConstrainedObject(this);
-            }
-        }
-    }
-
     // If this is a first-letter object with a remaining text fragment then the
     // entry needs to be cleared from the map.
     if (firstLetterRemainingText())
         setFirstLetterRemainingText(0);
 
     RenderLayerModelObject::willBeDestroyed();
 }
 
 void RenderBoxModelObject::updateFromStyle()
 {
@@ skipping 2434 matching lines @@
     ASSERT(!beforeChild || toBoxModelObject == beforeChild->parent());
     for (RenderObject* child = startChild; child && child != endChild; ) {
         // Save our next sibling as moveChildTo will clear it.
         RenderObject* nextSibling = child->nextSibling();
         moveChildTo(toBoxModelObject, child, beforeChild, fullRemoveInsert);
         child = nextSibling;
     }
 }
 
 } // namespace WebCore