Replace ASSERT with DCHECK in core/layout/<sub dirs>

third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngineSpacing.cpp

 /*
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "core/layout/svg/SVGTextLayoutEngineSpacing.h"
 
 #include "platform/fonts/Font.h"
 #include "platform/text/Character.h"
 
 namespace blink {
 
 SVGTextLayoutEngineSpacing::SVGTextLayoutEngineSpacing(const Font& font,
                                                        float effectiveZoom)
     : m_font(font), m_lastCharacter(0), m_effectiveZoom(effectiveZoom) {
-  ASSERT(m_effectiveZoom);
+  DCHECK(m_effectiveZoom);
 }
 
 float SVGTextLayoutEngineSpacing::calculateCSSSpacing(UChar currentCharacter) {
   UChar lastCharacter = m_lastCharacter;
   m_lastCharacter = currentCharacter;
 
   if (!m_font.getFontDescription().letterSpacing() &&
       !m_font.getFontDescription().wordSpacing())
     return 0;
 
   float spacing = m_font.getFontDescription().letterSpacing();
   if (currentCharacter && lastCharacter &&
       m_font.getFontDescription().wordSpacing()) {
     if (Character::treatAsSpace(currentCharacter) &&
         !Character::treatAsSpace(lastCharacter))
       spacing += m_font.getFontDescription().wordSpacing();
   }
 
   if (m_effectiveZoom != 1)
     spacing = spacing / m_effectiveZoom;
 
   return spacing;
 }
 
 }  // namespace blink