Rendering API cleanup

Source/core/rendering/AbstractInlineTextBox.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 72 matching lines @@
 
 LayoutRect AbstractInlineTextBox::bounds() const
 {
     if (!m_inlineTextBox || !m_renderText)
         return LayoutRect();
 
     FloatRect boundaries = m_inlineTextBox->calculateBoundaries();
     return m_renderText->localToAbsoluteQuad(boundaries).enclosingBoundingBox();
 }
 
-unsigned AbstractInlineTextBox::start() const
-{
-    if (!m_inlineTextBox)
-        return 0;
-
-    return m_inlineTextBox->start();
-}
-
 unsigned AbstractInlineTextBox::len() const
 {
     if (!m_inlineTextBox)
         return 0;
 
     return m_inlineTextBox->len();
 }
 
 AbstractInlineTextBox::Direction AbstractInlineTextBox::direction() const
 {
@@ skipping 49 matching lines @@
         return plainText(range.get(), TextIteratorIgnoresStyleVisibility);
     }
 
     String result = m_renderText->text().substring(start, len).simplifyWhiteSpace(WTF::DoNotStripWhiteSpace);
     if (m_inlineTextBox->nextTextBox() && m_inlineTextBox->nextTextBox()->start() > m_inlineTextBox->end() && result.length() && !result.right(1).containsOnlyWhitespace())
         return result + " ";
     return result;
 }
 
 } // namespace blink