Convert RenderBlockFlow code to use FloatingObject references

Source/core/layout/line/LineWidth.cpp

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. 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.
@@ skipping 42 matching lines @@
 void LineWidth::updateAvailableWidth(LayoutUnit replacedHeight)
 {
     LayoutUnit height = m_block.logicalHeight();
     LayoutUnit logicalHeight = m_block.minLineHeightForReplacedObject(m_isFirstLine, replacedHeight);
     m_left = m_block.logicalLeftOffsetForLine(height, shouldIndentText(), logicalHeight).toFloat();
     m_right = m_block.logicalRightOffsetForLine(height, shouldIndentText(), logicalHeight).toFloat();
 
     computeAvailableWidthFromLeftAndRight();
 }
 
-void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat)
+void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(const FloatingObject& newFloat)
 {
     LayoutUnit height = m_block.logicalHeight();
     if (height < m_block.logicalTopForFloat(newFloat) || height >= m_block.logicalBottomForFloat(newFloat))
         return;
 
     ShapeOutsideDeltas shapeDeltas;
-    if (ShapeOutsideInfo* shapeOutsideInfo = newFloat->layoutObject()->shapeOutsideInfo()) {
+    if (ShapeOutsideInfo* shapeOutsideInfo = newFloat.layoutObject()->shapeOutsideInfo()) {
         LayoutUnit lineHeight = m_block.lineHeight(m_isFirstLine, m_block.isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes);
-        shapeDeltas = shapeOutsideInfo->computeDeltasForContainingBlockLine(m_block, *newFloat, m_block.logicalHeight(), lineHeight);
+        shapeDeltas = shapeOutsideInfo->computeDeltasForContainingBlockLine(m_block, newFloat, m_block.logicalHeight(), lineHeight);
     }
 
-    if (newFloat->type() == FloatingObject::FloatLeft) {
+    if (newFloat.type() == FloatingObject::FloatLeft) {
         float newLeft = m_block.logicalRightForFloat(newFloat).toFloat();
         if (shapeDeltas.isValid()) {
             if (shapeDeltas.lineOverlapsShape())
                 newLeft += shapeDeltas.rightMarginBoxDelta();
             else // Per the CSS Shapes spec, If the line doesn't overlap the shape, then ignore this shape for this line.
                 newLeft = m_left;
         }
         if (shouldIndentText() && m_block.style()->isLeftToRightDirection())
             newLeft += floorToInt(m_block.textIndentOffset());
         m_left = std::max<float>(m_left, newLeft);
@@ skipping 104 matching lines @@
     }
     updateLineDimension(lastFloatLogicalBottom, newLineWidth, newLineLeft, newLineRight);
 }
 
 void LineWidth::computeAvailableWidthFromLeftAndRight()
 {
     m_availableWidth = max(0.0f, m_right - m_left) + m_overhangWidth;
 }
 
 }