Remove unused SVGTextMetrics constructor

third_party/WebKit/Source/core/layout/svg/SVGTextMetrics.h

 /*
  * 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 14 matching lines @@
 namespace blink {
 
 enum class FontOrientation;
 
 class SVGTextMetrics {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
  public:
   enum MetricsType { SkippedSpaceMetrics };
 
-  SVGTextMetrics();
   SVGTextMetrics(MetricsType);
   SVGTextMetrics(unsigned length, float width, float height);
 
   bool isEmpty() const { return !m_width && !m_height && m_length <= 1; }
 
   float width() const { return m_width; }
   float height() const { return m_height; }
 
   // TODO(kojii): We should store logical width (advance) and height instead
   // of storing physical and calculate logical. crbug.com/544767
   float advance(FontOrientation) const;
   unsigned length() const { return m_length; }
 
  private:
   float m_width;
   float m_height;
   unsigned m_length;
 };
 
 }  // namespace blink
 
 #endif