[Line Layout API] Convert InlineBox::boxModelObject to new API

Source/core/layout/line/InlineBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007 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 122 matching lines @@
 {
     if (hasVirtualLogicalHeight())
         return virtualLogicalHeight();
 
     if (lineLayoutItem().isText())
         return m_bitfields.isText() ? LayoutUnit(lineLayoutItem().style(isFirstLineStyle())->fontMetrics().height()) : LayoutUnit();
     if (lineLayoutItem().isBox() && parent())
         return isHorizontal() ? toLayoutBox(layoutObject()).size().height() : toLayoutBox(layoutObject()).size().width();
 
     ASSERT(isInlineFlowBox());
-    LayoutBoxModelObject* flowObject = boxModelObject();
+    LineLayoutBoxModel flowObject = boxModelObject();
     const FontMetrics& fontMetrics = lineLayoutItem().style(isFirstLineStyle())->fontMetrics();
     LayoutUnit result = fontMetrics.height();
     if (parent())
-        result += flowObject->borderAndPaddingLogicalHeight();
+        result += flowObject.borderAndPaddingLogicalHeight();
     return result;
 }
 
 int InlineBox::baselinePosition(FontBaseline baselineType) const
 {
-    return boxModelObject()->baselinePosition(baselineType, m_bitfields.firstLine(), isHorizontal() ? HorizontalLine : VerticalLine, PositionOnContainingLine);
+    return boxModelObject().baselinePosition(baselineType, m_bitfields.firstLine(), isHorizontal() ? HorizontalLine : VerticalLine, PositionOnContainingLine);
 }
 
 LayoutUnit InlineBox::lineHeight() const
 {
-    return boxModelObject()->lineHeight(m_bitfields.firstLine(), isHorizontal() ? HorizontalLine : VerticalLine, PositionOnContainingLine);
+    return boxModelObject().lineHeight(m_bitfields.firstLine(), isHorizontal() ? HorizontalLine : VerticalLine, PositionOnContainingLine);
 }
 
 int InlineBox::caretMinOffset() const
 {
     return lineLayoutItem().caretMinOffset();
 }
 
 int InlineBox::caretMaxOffset() const
 {
     return lineLayoutItem().caretMaxOffset();
@@ skipping 226 matching lines @@
 
 void showLineTree(const blink::InlineBox* b)
 {
     if (b)
         b->showLineTreeForThis();
     else
         fprintf(stderr, "Cannot showLineTree for (nil) InlineBox.\n");
 }
 
 #endif