Avoid RenderObject::paintInvalidationForWholeRenderer() if possible

Source/core/rendering/RenderTableCol.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, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 98 matching lines @@
 
     RenderTable* parentTable = table();
     if (!parentTable)
         return LayoutRect();
     return parentTable->clippedOverflowRectForPaintInvalidation(paintInvalidationContainer, paintInvalidationState);
 }
 
 void RenderTableCol::imageChanged(WrappedImagePtr, const IntRect*)
 {
     // FIXME: Issue paint invalidation of only the rect the image paints in.
-    paintInvalidationForWholeRenderer();
+    setShouldDoFullPaintInvalidation(true);
 }
 
 void RenderTableCol::clearPreferredLogicalWidthsDirtyBits()
 {
     clearPreferredLogicalWidthsDirty();
 
     for (RenderObject* child = firstChild(); child; child = child->nextSibling())
         child->clearPreferredLogicalWidthsDirty();
 }
 
@@ skipping 50 matching lines @@
     return style()->borderStart();
 }
 
 const BorderValue& RenderTableCol::borderAdjoiningCellAfter(const RenderTableCell* cell) const
 {
     ASSERT_UNUSED(cell, table()->colElement(cell->col() - 1) == this);
     return style()->borderEnd();
 }
 
 }