Rendering API cleanup

Source/core/rendering/InlineBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple 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
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 299 matching lines @@
 {
     if (!renderer().style()->isFlippedBlocksWritingMode())
         return FloatPoint(x(), y());
     RenderBlockFlow& block = root().block();
     if (block.style()->isHorizontalWritingMode())
         return FloatPoint(x(), block.height() - height() - y());
 
     return FloatPoint(block.width() - width() - x(), y());
 }
 
-void InlineBox::flipForWritingMode(FloatRect& rect)
-{
-    if (!renderer().style()->isFlippedBlocksWritingMode())
-        return;
-    root().block().flipForWritingMode(rect);
-}
-
 FloatPoint InlineBox::flipForWritingMode(const FloatPoint& point)
 {
     if (!renderer().style()->isFlippedBlocksWritingMode())
         return point;
     return root().block().flipForWritingMode(point);
 }
 
 void InlineBox::flipForWritingMode(LayoutRect& rect)
 {
     if (!renderer().style()->isFlippedBlocksWritingMode())
@@ skipping 18 matching lines @@
         b->showTreeForThis();
 }
 
 void showLineTree(const blink::InlineBox* b)
 {
     if (b)
         b->showLineTreeForThis();
 }
 
 #endif