Switch line layout to LayoutUnit.

Source/core/layout/svg/line/SVGInlineFlowBox.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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.
@@ skipping 15 matching lines @@
 #include "core/layout/svg/line/SVGInlineTextBox.h"
 #include "core/paint/SVGInlineFlowBoxPainter.h"
 
 namespace blink {
 
 void SVGInlineFlowBox::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit, LayoutUnit)
 {
     SVGInlineFlowBoxPainter(*this).paint(paintInfo, paintOffset);
 }
 
-FloatRectWillBeLayoutRect SVGInlineFlowBox::calculateBoundaries() const
+LayoutRect SVGInlineFlowBox::calculateBoundaries() const
 {
-    FloatRectWillBeLayoutRect childRect;
+    LayoutRect childRect;
     for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
         if (!child->isSVGInlineTextBox() && !child->isSVGInlineFlowBox())
             continue;
         childRect.unite(child->calculateBoundaries());
     }
     return childRect;
 }
 
 } // namespace blink