Pass start/length at InlineTextBox construction time.

Source/core/rendering/svg/SVGInlineTextBox.cpp

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 33 matching lines @@
 namespace blink {
 
 struct ExpectedSVGInlineTextBoxSize : public InlineTextBox {
     float float1;
     uint32_t bitfields : 1;
     Vector<SVGTextFragment> vector;
 };
 
 COMPILE_ASSERT(sizeof(SVGInlineTextBox) == sizeof(ExpectedSVGInlineTextBoxSize), SVGInlineTextBox_is_not_of_expected_size);
 
-SVGInlineTextBox::SVGInlineTextBox(RenderObject& object)
-    : InlineTextBox(object)
+SVGInlineTextBox::SVGInlineTextBox(RenderObject& object, int start, unsigned short length)
+    : InlineTextBox(object, start, length)
     , m_logicalHeight(0)
     , m_startsNewTextChunk(false)
 {
 }
 
 void SVGInlineTextBox::dirtyLineBoxes()
 {
     InlineTextBox::dirtyLineBoxes();
 
     // Clear the now stale text fragments
@@ skipping 229 matching lines @@
                 renderer().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(accumulatedOffset));
                 if (!result.addNodeToRectBasedTestResult(renderer().node(), request, locationInContainer, rect))
                     return true;
              }
         }
     }
     return false;
 }
 
 } // namespace blink