Drop unused argument from one of the SVGTextMetrics constructors

Source/core/layout/svg/SVGTextMetricsBuilder.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010-2012. 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 105 matching lines @@
 SVGTextMetrics SVGTextMetricsCalculator::computeMetricsForCharacterSimple(unsigned textPosition)
 {
     GlyphBuffer glyphBuffer;
     unsigned metricsLength = m_simpleShaper->advance(textPosition + 1, &glyphBuffer);
     if (!metricsLength)
         return SVGTextMetrics();
 
     float currentWidth = m_simpleShaper->runWidthSoFar() - m_totalWidth;
     m_totalWidth = m_simpleShaper->runWidthSoFar();
 
-    return SVGTextMetrics(m_text, textPosition, metricsLength, currentWidth);
+    return SVGTextMetrics(m_text, metricsLength, currentWidth);
 }
 
 SVGTextMetrics SVGTextMetricsCalculator::computeMetricsForCharacterComplex(unsigned textPosition)
 {
     unsigned metricsLength = characterStartsSurrogatePair(textPosition) ? 2 : 1;
     SVGTextMetrics metrics = SVGTextMetrics::measureCharacterRange(m_text, textPosition, metricsLength, m_textDirection);
     ASSERT(metrics.length() == metricsLength);
 
     unsigned startPosition = m_bidiRun ? m_bidiRun->start() : 0;
     ASSERT(startPosition <= textPosition);
@@ skipping 131 matching lines @@
 }
 
 void SVGTextMetricsBuilder::buildMetricsAndLayoutAttributes(LayoutSVGText* textRoot, LayoutSVGInlineText* stopAtLeaf, SVGCharacterDataMap& allCharactersMap)
 {
     ASSERT(textRoot);
     MeasureTextData data(&allCharactersMap);
     walkTree(textRoot, stopAtLeaf, &data);
 }
 
 }