Replace ASSERT with DCHECK in core/svg/

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

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  *
  * 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 176 matching lines @@
     return;
   }
 
   SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
 }
 
 FilterEffect* SVGFEConvolveMatrixElement::build(SVGFilterBuilder* filterBuilder,
                                                 Filter* filter) {
   FilterEffect* input1 = filterBuilder->getEffectById(
       AtomicString(m_in1->currentValue()->value()));
-  ASSERT(input1);
+  DCHECK(input1);
 
   float divisorValue = m_divisor->currentValue()->value();
   if (!m_divisor->isSpecified()) {
     SVGNumberList* kernelMatrix = m_kernelMatrix->currentValue();
     size_t kernelMatrixSize = kernelMatrix->length();
     for (size_t i = 0; i < kernelMatrixSize; ++i)
       divisorValue += kernelMatrix->at(i)->value();
     if (!divisorValue)
       divisorValue = 1;
   }
 
   FilterEffect* effect = FEConvolveMatrix::create(
       filter, matrixOrder(), divisorValue, m_bias->currentValue()->value(),
       targetPoint(), m_edgeMode->currentValue()->enumValue(),
       m_preserveAlpha->currentValue()->value(),
       m_kernelMatrix->currentValue()->toFloatVector());
   effect->inputEffects().push_back(input1);
   return effect;
 }
 
 }  // namespace blink