Don't explicitly initialize LayoutUnit to 0.

third_party/WebKit/Source/core/layout/svg/line/SVGInlineFlowBox.h

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  *
  * 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,
@@ skipping 11 matching lines @@
 #define SVGInlineFlowBox_h
 
 #include "core/layout/line/InlineFlowBox.h"
 
 namespace blink {
 
 class SVGInlineFlowBox final : public InlineFlowBox {
 public:
     SVGInlineFlowBox(LineLayoutItem item)
         : InlineFlowBox(item)
-        , m_logicalHeight(0)
     {
     }
 
     bool isSVGInlineFlowBox() const override { return true; }
     LayoutUnit virtualLogicalHeight() const override { return m_logicalHeight; }
     void setLogicalHeight(LayoutUnit h) { m_logicalHeight = h; }
 
     void paint(const PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) const override;
 
     LayoutRect calculateBoundaries() const override;
 
 private:
     LayoutUnit m_logicalHeight;
 };
 
 DEFINE_INLINE_BOX_TYPE_CASTS(SVGInlineFlowBox);
 
 } // namespace blink
 
 #endif // SVGInlineFlowBox_h