Switch line layout to LayoutUnit.

Source/core/layout/svg/LayoutSVGInlineText.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) 2008 Rob Buis <buis@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
@@ skipping 103 matching lines @@
         return LayoutRect();
 
     InlineTextBox* textBox = toInlineTextBox(box);
     if (static_cast<unsigned>(caretOffset) < textBox->start() || static_cast<unsigned>(caretOffset) > textBox->start() + textBox->len())
         return LayoutRect();
 
     // Use the edge of the selection rect to determine the caret rect.
     if (static_cast<unsigned>(caretOffset) < textBox->start() + textBox->len()) {
         LayoutRect rect = textBox->localSelectionRect(caretOffset, caretOffset + 1);
         LayoutUnit x = box->isLeftToRightDirection() ? rect.x() : rect.maxX();
-        return LayoutRect(x, rect.y(), caretWidth, rect.height());
+        return LayoutRect(x, rect.y(), caretWidth(), rect.height());
     }
 
     LayoutRect rect = textBox->localSelectionRect(caretOffset - 1, caretOffset);
     LayoutUnit x = box->isLeftToRightDirection() ? rect.maxX() : rect.x();
-    return LayoutRect(x, rect.y(), caretWidth, rect.height());
+    return LayoutRect(x, rect.y(), caretWidth(), rect.height());
 }
 
 FloatRect LayoutSVGInlineText::floatLinesBoundingBox() const
 {
     FloatRect boundingBox;
     for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox())
-        boundingBox.unite(box->calculateBoundaries().toFloatRect());
+        boundingBox.unite(FloatRect(box->calculateBoundaries()));
     return boundingBox;
 }
 
 IntRect LayoutSVGInlineText::linesBoundingBox() const
 {
     return enclosingIntRect(floatLinesBoundingBox());
 }
 
 bool LayoutSVGInlineText::characterStartsNewTextChunk(int position) const
 {
@@ skipping 108 matching lines @@
 
 PassRefPtr<StringImpl> LayoutSVGInlineText::originalText() const
 {
     RefPtr<StringImpl> result = LayoutText::originalText();
     if (!result)
         return nullptr;
     return applySVGWhitespaceRules(result, style() && style()->whiteSpace() == PRE);
 }
 
 }