Switch line layout to LayoutUnit.

Source/core/layout/svg/LayoutSVGInline.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * 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 90 matching lines @@
 }
 
 void LayoutSVGInline::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixed) const
 {
     const LayoutObject* object = LayoutSVGText::locateLayoutSVGTextAncestor(this);
     if (!object)
         return;
 
     FloatRect textBoundingBox = object->strokeBoundingBox();
     for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox())
-        quads.append(localToAbsoluteQuad(FloatRect(textBoundingBox.x() + box->x(), textBoundingBox.y() + box->y(), box->logicalWidth(), box->logicalHeight()), false, wasFixed));
+        quads.append(localToAbsoluteQuad(FloatRect(textBoundingBox.x() + box->x().toFloat(), textBoundingBox.y() + box->y().toFloat(), box->logicalWidth().toFloat(), box->logicalHeight().toFloat()), false, wasFixed));
 }
 
 void LayoutSVGInline::willBeDestroyed()
 {
     SVGResourcesCache::clientDestroyed(this);
     LayoutInline::willBeDestroyed();
 }
 
 void LayoutSVGInline::styleDidChange(StyleDifference diff, const ComputedStyle* oldStyle)
 {
@@ skipping 22 matching lines @@
         LayoutInline::removeChild(child);
         return;
     }
     Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
     textLayoutObject->subtreeChildWillBeRemoved(child, affectedAttributes);
     LayoutInline::removeChild(child);
     textLayoutObject->subtreeChildWasRemoved(affectedAttributes);
 }
 
 }