Create LineLayout api

Source/platform/text/BidiResolver.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008 Apple Inc.  All right 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,
@@ skipping 43 matching lines @@
         ASSERT(!(m_numMidpoints % 2));
         addMidpoint(midpoint);
     }
 
     void stopIgnoringSpaces(const Iterator& midpoint)
     {
         ASSERT(m_numMidpoints % 2);
         addMidpoint(midpoint);
     }
 
-    // When ignoring spaces, this needs to be called for objects that need line boxes such as LayoutInlines or
-    // hard line breaks to ensure that they're not ignored.
-    void ensureLineBoxInsideIgnoredSpaces(LayoutObject* renderer)
-    {
-        Iterator midpoint(0, renderer, 0);
-        stopIgnoringSpaces(midpoint);
-        startIgnoringSpaces(midpoint);
-    }
-
     // Adding a pair of midpoints before a character will split it out into a new line box.
     void ensureCharacterGetsLineBox(Iterator& textParagraphSeparator)
     {
         startIgnoringSpaces(Iterator(0, textParagraphSeparator.object(), textParagraphSeparator.offset() - 1));
         stopIgnoringSpaces(Iterator(0, textParagraphSeparator.object(), textParagraphSeparator.offset()));
     }
 
     void checkMidpoints(Iterator& lBreak)
     {
         // Check to see if our last midpoint is a start point beyond the line break. If so,
@@ skipping 1027 matching lines @@
 template<class Iterator, class Run>
 MidpointState<Iterator> BidiResolver<Iterator, Run>::midpointStateForIsolatedRun(Run* run)
 {
     return m_midpointStateForIsolatedRun.take(run);
 }
 
 
 } // namespace blink
 
 #endif // BidiResolver_h