Replace RenderArena with PartitionAlloc

Source/core/rendering/InlineBox.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 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 45 matching lines @@
         , m_logicalWidth(logicalWidth)
         , m_bitfields(firstLine, constructed, dirty, extracted, isHorizontal)
 #ifndef NDEBUG
         , m_hasBadParent(false)
 #endif
     {
     }
 
     virtual ~InlineBox();
 
-    virtual void destroy(RenderArena*);
+    virtual void destroy() { delete this; }
 
-    virtual void deleteLine(RenderArena*);
+    virtual void deleteLine();
     virtual void extractLine();
     virtual void attachLine();
 
     virtual bool isLineBreak() const { return false; }
 
     virtual void adjustPosition(float dx, float dy);
     void adjustLogicalPosition(float deltaLogicalLeft, float deltaLogicalTop)
     {
         if (isHorizontal())
             adjustPosition(deltaLogicalLeft, deltaLogicalTop);
@@ skipping 11 matching lines @@
     {
         if (isHorizontal())
             adjustPosition(0, delta);
         else
             adjustPosition(delta, 0);
     }
 
     virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom);
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom);
 
-    // Overloaded new operator.
-    void* operator new(size_t, RenderArena*);
-
-    // Overridden to prevent the normal delete from being called.
-    void operator delete(void*, size_t);
-
-private:
-    // The normal operator new is disallowed.
-    void* operator new(size_t) throw();
+    // InlineBoxes are allocated out of the rendering partition.
+    void* operator new(size_t);
+    void operator delete(void*);
 
 public:
 #ifndef NDEBUG
     void showTreeForThis() const;
     void showLineTreeForThis() const;
 
     virtual void showBox(int = 0) const;
     virtual void showLineTreeAndMark(const InlineBox* = 0, const char* = 0, const InlineBox* = 0, const char* = 0, const RenderObject* = 0, int = 0) const;
     virtual const char* boxName() const;
 #endif
@@ skipping 316 matching lines @@
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const WebCore::InlineBox*);
 void showLineTree(const WebCore::InlineBox*);
 #endif
 
 #endif // InlineBox_h