Have BidiRunList destructor delete runs

Source/core/rendering/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 22 matching lines @@
 #include "platform/text/TextPath.h"
 #include "platform/text/TextRun.h"
 #include "platform/text/TextRunIterator.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class SVGTextMetricsCalculator {
 public:
     SVGTextMetricsCalculator(RenderSVGInlineText*);
-    ~SVGTextMetricsCalculator();
 
     SVGTextMetrics computeMetricsForCharacter(unsigned textPosition);
     unsigned textLength() const { return static_cast<unsigned>(m_run.charactersLength()); }
 
     bool characterStartsSurrogatePair(unsigned textPosition) const
     {
         return U16_IS_LEAD(m_run[textPosition]) && textPosition + 1 < textLength() && U16_IS_TRAIL(m_run[textPosition + 1]);
     }
     bool characterIsWhiteSpace(unsigned textPosition) const
     {
@@ skipping 29 matching lines @@
     CodePath codePath = scaledFont.codePath(m_run);
     m_isComplexText = codePath == ComplexPath;
     m_run.setCharacterScanForCodePath(!m_isComplexText);
 
     if (!m_isComplexText)
         m_simpleWidthIterator = adoptPtr(new WidthIterator(&scaledFont, m_run));
     else
         setupBidiRuns();
 }
 
-SVGTextMetricsCalculator::~SVGTextMetricsCalculator()
-{
-    m_bidiRuns.deleteRuns();
-}
-
 void SVGTextMetricsCalculator::setupBidiRuns()
 {
     RenderStyle* style = m_text->style();
     m_textDirection = style->direction();
     if (isOverride(style->unicodeBidi()))
         return;
 
     BidiStatus status(LTR, false);
     status.last = status.lastStrong = WTF::Unicode::OtherNeutral;
     m_bidiResolver.setStatus(status);
@@ skipping 160 matching lines @@
 }
 
 void SVGTextMetricsBuilder::buildMetricsAndLayoutAttributes(RenderSVGText* textRoot, RenderSVGInlineText* stopAtLeaf, SVGCharacterDataMap& allCharactersMap)
 {
     ASSERT(textRoot);
     MeasureTextData data(&allCharactersMap);
     walkTree(textRoot, stopAtLeaf, &data);
 }
 
 }