Revert of Oilpan: Prepare to move RenderObject and RenderObjectChildList to Oilpan heap.

Source/core/editing/TextIterator.h

 /*
  * Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 158 matching lines @@
     String m_text;
 
     // Used when there is still some pending text from the current node; when these
     // are false and 0, we go back to normal iterating.
     bool m_needsAnotherNewline;
     InlineTextBox* m_textBox;
     // Used when iteration over :first-letter text to save pointer to
     // remaining text box.
     InlineTextBox* m_remainingTextBox;
     // Used to point to RenderText object for :first-letter.
-    RawPtrWillBeMember<RenderText> m_firstLetterText;
+    RenderText *m_firstLetterText;
 
     // Used to do the whitespace collapsing logic.
     RawPtrWillBeMember<Node> m_lastTextNode;
     bool m_lastTextNodeEndedWithCollapsedSpace;
     UChar m_lastCharacter;
 
     // Used for whitespace characters that aren't in the DOM, so we can point at them.
     // If non-zero, overrides m_text.
     UChar m_singleCharacterBuffer;
 
@@ skipping 183 matching lines @@
     Vector<UChar> m_buffer;
     // Did we have to look ahead in the textIterator to confirm the current chunk?
     bool m_didLookAhead;
     RefPtrWillBeMember<Range> m_range;
     TextIterator m_textIterator;
 };
 
 }
 
 #endif