Replace ASSERT and ASSERT_NOT_REACHED in core/style/

third_party/WebKit/Source/core/style/ShadowData.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. 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 16 matching lines @@
 namespace blink {
 
 bool ShadowData::operator==(const ShadowData& o) const {
   return m_location == o.m_location && m_blur == o.m_blur &&
          m_spread == o.m_spread && m_style == o.m_style && m_color == o.m_color;
 }
 
 ShadowData ShadowData::blend(const ShadowData& from,
                              double progress,
                              const Color& currentColor) const {
-  ASSERT(style() == from.style());
+  DCHECK_EQ(style(), from.style());
   return ShadowData(blink::blend(from.location(), location(), progress),
                     clampTo(blink::blend(from.blur(), blur(), progress), 0.0f),
                     blink::blend(from.spread(), spread(), progress), style(),
                     blink::blend(from.color().resolve(currentColor),
                                  color().resolve(currentColor), progress));
 }
 
 ShadowData ShadowData::neutralValue() {
   return ShadowData(FloatPoint(0, 0), 0, 0, Normal,
                     StyleColor(Color::transparent));
 }
 
 }  // namespace blink