Don't explicitly initialize LayoutUnit to 0.

third_party/WebKit/Source/core/layout/svg/line/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 22 matching lines @@
 struct ExpectedSVGInlineTextBoxSize : public InlineTextBox {
     LayoutUnit float1;
     uint32_t bitfields : 1;
     Vector<SVGTextFragment> vector;
 };
 
 static_assert(sizeof(SVGInlineTextBox) == sizeof(ExpectedSVGInlineTextBoxSize), "SVGInlineTextBox has an unexpected size");
 
 SVGInlineTextBox::SVGInlineTextBox(LineLayoutItem item, int start, unsigned short length)
     : InlineTextBox(item, start, length)
-    , m_logicalHeight(0)
     , m_startsNewTextChunk(false)
 {
 }
 
 void SVGInlineTextBox::dirtyLineBoxes()
 {
     InlineTextBox::dirtyLineBoxes();
 
     // Clear the now stale text fragments
     clearTextFragments();
@@ skipping 208 matching lines @@
                             return true;
                     }
                 }
             }
         }
     }
     return false;
 }
 
 } // namespace blink