Get rid of computeFloatRectForPaintInvalidation

Source/core/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1390 matching lines @@
             RenderBox* boxParent = toRenderBox(o);
             boxParent->applyCachedClipAndScrollOffsetForPaintInvalidation(rect);
             if (rect.isEmpty())
                 return;
         }
 
         o->mapRectToPaintInvalidationBacking(paintInvalidationContainer, rect, paintInvalidationState);
     }
 }
 
-void RenderObject::computeFloatRectForPaintInvalidation(const RenderLayerModelObject*, FloatRect&, const PaintInvalidationState*) const
-{
-    ASSERT_NOT_REACHED();
-}
-
 void RenderObject::dirtyLinesFromChangedChild(RenderObject*)
 {
 }
 
 #ifndef NDEBUG
 
 void RenderObject::showTreeForThis() const
 {
     if (node())
         node()->showTreeForThis();
@@ skipping 1719 matching lines @@
 {
     if (object1) {
         const blink::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif