Have BidiRunList destructor delete runs

Source/platform/graphics/GraphicsContext.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 957 matching lines @@
 
         TextRunPaintInfo subrunInfo(subrun);
         subrunInfo.bounds = runInfo.bounds;
         font.drawText(this, subrunInfo, currPoint, customFontNotReadyAction);
 
         bidiRun = bidiRun->next();
         // FIXME: Have Font::drawText return the width of what it drew so that we don't have to re-measure here.
         if (bidiRun)
             currPoint.move(font.width(subrun), 0);
     }
-
-    bidiRuns.deleteRuns();
 }
 
 void GraphicsContext::drawHighlightForText(const Font& font, const TextRun& run, const FloatPoint& point, int h, const Color& backgroundColor, int from, int to)
 {
     if (contextDisabled())
         return;
 
     fillRect(font.selectionRectForText(run, point, h, from, to), backgroundColor);
 }
 
@@ skipping 906 matching lines @@
         // being returned from computeInterpolationQuality.
         resampling = InterpolationLow;
     }
     resampling = limitInterpolationQuality(this, resampling);
 
     bool useBicubicFilter = resampling == InterpolationHigh;
     paint->setFilterLevel(convertToSkiaFilterLevel(useBicubicFilter, resampling));
 }
 
 }