Replace ASSERT with DCHECK in core/svg/

third_party/WebKit/Source/core/svg/SVGFEDisplacementMapElement.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <oliver@nerget.com>
  *
  * 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 97 matching lines @@
   SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
 }
 
 FilterEffect* SVGFEDisplacementMapElement::build(
     SVGFilterBuilder* filterBuilder,
     Filter* filter) {
   FilterEffect* input1 = filterBuilder->getEffectById(
       AtomicString(m_in1->currentValue()->value()));
   FilterEffect* input2 = filterBuilder->getEffectById(
       AtomicString(m_in2->currentValue()->value()));
-  ASSERT(input1 && input2);
+  DCHECK(input1);
+  DCHECK(input2);
 
   FilterEffect* effect = FEDisplacementMap::create(
       filter, m_xChannelSelector->currentValue()->enumValue(),
       m_yChannelSelector->currentValue()->enumValue(),
       m_scale->currentValue()->value());
   FilterEffectVector& inputEffects = effect->inputEffects();
   inputEffects.reserveCapacity(2);
   inputEffects.push_back(input1);
   inputEffects.push_back(input2);
   return effect;
 }
 
 }  // namespace blink