Switch line layout to LayoutUnit.

Source/core/layout/svg/LayoutSVGInline.cpp

Index: Source/core/layout/svg/LayoutSVGInline.cpp
diff --git a/Source/core/layout/svg/LayoutSVGInline.cpp b/Source/core/layout/svg/LayoutSVGInline.cpp
index 53ab999cd13f4a126888d6ebcd6aa40eae70252f..1c94dbe606247521b5f89365803af508f6fb15e1 100644
--- a/Source/core/layout/svg/LayoutSVGInline.cpp
+++ b/Source/core/layout/svg/LayoutSVGInline.cpp
@@ -108,7 +108,7 @@ void LayoutSVGInline::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixed) co
 
     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()