Remove unused code.

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 1156 matching lines @@
     if (view()->document().printing())
         return; // Don't invalidate paints if we're printing.
 
     LayoutRect dirtyRect(r);
 
     const RenderLayerModelObject* paintInvalidationContainer = containerForPaintInvalidation();
     RenderLayer::mapRectToPaintInvalidationBacking(this, paintInvalidationContainer, dirtyRect);
     invalidatePaintUsingContainer(paintInvalidationContainer, dirtyRect, PaintInvalidationRectangle);
 }
 
-IntRect RenderObject::pixelSnappedAbsoluteClippedOverflowRect() const
-{
-    return pixelSnappedIntRect(absoluteClippedOverflowRect());
-}
-
 void RenderObject::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState)
 {
     ASSERT(!needsLayout());
 
     // If we didn't need paint invalidation then our children don't need as well.
     // Skip walking down the tree as everything should be fine below us.
     if (!shouldCheckForPaintInvalidation(paintInvalidationState))
         return;
 
     invalidatePaintIfNeeded(paintInvalidationState, paintInvalidationState.paintInvalidationContainer());
@@ skipping 1958 matching lines @@
 {
     if (object1) {
         const blink::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif