Switch line layout to LayoutUnit.

Source/core/layout/LayoutDeprecatedFlexibleBox.cpp

 /*
  * This file is part of the layout object implementation for KHTML.
  *
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003 Apple Computer, Inc.
  *
  * 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
@@ skipping 900 matching lines @@
         if (!leftToRight)
             continue;
 
         LayoutUnit blockRightEdge = destBlock.logicalRightOffsetForLine(lastVisibleLine->y(), false);
         if (!lastVisibleLine->lineCanAccommodateEllipsis(leftToRight, blockRightEdge, lastVisibleLine->x() + lastVisibleLine->logicalWidth(), totalWidth))
             continue;
 
         // Let the truncation code kick in.
         // FIXME: the text alignment should be recomputed after the width changes due to truncation.
         LayoutUnit blockLeftEdge = destBlock.logicalLeftOffsetForLine(lastVisibleLine->y(), false);
-        lastVisibleLine->placeEllipsis(ellipsisStr, leftToRight, blockLeftEdge.toFloat(), blockRightEdge.toFloat(), totalWidth);
+        lastVisibleLine->placeEllipsis(ellipsisStr, leftToRight, blockLeftEdge, blockRightEdge, totalWidth);
         destBlock.setHasMarkupTruncation(true);
     }
 }
 
 void LayoutDeprecatedFlexibleBox::clearLineClamp()
 {
     FlexBoxIterator iterator(this);
     for (LayoutBox* child = iterator.first(); child; child = iterator.next()) {
         if (childDoesNotAffectWidthOrFlexing(child))
             continue;
@@ skipping 70 matching lines @@
     if (minHeight.isFixed() || minHeight.isAuto()) {
         LayoutUnit minHeight = child->style()->minHeight().value();
         LayoutUnit height = contentHeightForChild(child);
         LayoutUnit allowedShrinkage = std::min<LayoutUnit>(0, minHeight - height);
         return allowedShrinkage;
     }
     return 0;
 }
 
 } // namespace blink