Replace RenderArena with PartitionAlloc.

Source/core/rendering/RootInlineBox.h

 /*
  * Copyright (C) 2003, 2006, 2007, 2008 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 19 matching lines @@
 class HitTestResult;
 class RenderRegion;
 
 struct BidiStatus;
 struct GapRects;
 
 class RootInlineBox : public InlineFlowBox {
 public:
     explicit RootInlineBox(RenderBlock*);
 
-    virtual void destroy(RenderArena*) OVERRIDE FINAL;
+    virtual void destroy() OVERRIDE FINAL;
 
     virtual bool isRootInlineBox() const OVERRIDE FINAL { return true; }
 
-    void detachEllipsisBox(RenderArena*);
+    void detachEllipsisBox();
 
     RootInlineBox* nextRootBox() const { return static_cast<RootInlineBox*>(m_nextLineBox); }
     RootInlineBox* prevRootBox() const { return static_cast<RootInlineBox*>(m_prevLineBox); }
 
     virtual void adjustPosition(float dx, float dy) OVERRIDE FINAL;
 
     LayoutUnit lineTop() const { return m_lineTop; }
     LayoutUnit lineBottom() const { return m_lineBottom; }
 
     LayoutUnit lineTopWithLeading() const { return m_lineTopWithLeading; }
@@ skipping 188 matching lines @@
     OwnPtr<LineFragmentationData> m_fragmentationData;
 
     // Floats hanging off the line are pushed into this vector during layout. It is only
     // good for as long as the line has not been marked dirty.
     OwnPtr<Vector<RenderBox*> > m_floats;
 };
 
 } // namespace WebCore
 
 #endif // RootInlineBox_h