Merge 77144

Source/WebCore/rendering/RenderTextControlMultiLine.cpp

 /**
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  *           (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 20 matching lines @@
 
 namespace WebCore {
 
 RenderTextControlMultiLine::RenderTextControlMultiLine(Node* node, bool placeholderVisible)
     : RenderTextControl(node, placeholderVisible)
 {
 }
 
 RenderTextControlMultiLine::~RenderTextControlMultiLine()
 {
-    if (node())
+    if (node() && node()->inDocument())
         static_cast<HTMLTextAreaElement*>(node())->rendererWillBeDestroyed();
 }
 
 void RenderTextControlMultiLine::subtreeHasChanged()
 {
     RenderTextControl::subtreeHasChanged();
     HTMLTextAreaElement* textArea = static_cast<HTMLTextAreaElement*>(node());
     textArea->setFormControlValueMatchesRenderer(false);
     textArea->setNeedsValidityCheck();
 
@@ skipping 99 matching lines @@
 {
     int inset = borderTop() + paddingTop();
     if (HTMLElement* innerText = innerTextElement()) {
         if (RenderBox* innerTextRenderer = innerText->renderBox())
             inset += innerTextRenderer->paddingTop();
     }
     return inset;
 }
     
 }