Replace ASSERT with DCHECK in core/svg/

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

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 83 matching lines @@
 }
 
 void SVGNumberOptionalNumber::calculateAnimatedValue(
     SVGAnimationElement* animationElement,
     float percentage,
     unsigned repeatCount,
     SVGPropertyBase* from,
     SVGPropertyBase* to,
     SVGPropertyBase* toAtEndOfDuration,
     SVGElement*) {
-  ASSERT(animationElement);
+  DCHECK(animationElement);
 
   SVGNumberOptionalNumber* fromNumber = toSVGNumberOptionalNumber(from);
   SVGNumberOptionalNumber* toNumber = toSVGNumberOptionalNumber(to);
   SVGNumberOptionalNumber* toAtEndOfDurationNumber =
       toSVGNumberOptionalNumber(toAtEndOfDuration);
 
   float x = m_firstNumber->value();
   float y = m_secondNumber->value();
   animationElement->animateAdditiveNumber(
       percentage, repeatCount, fromNumber->firstNumber()->value(),
       toNumber->firstNumber()->value(),
       toAtEndOfDurationNumber->firstNumber()->value(), x);
   animationElement->animateAdditiveNumber(
       percentage, repeatCount, fromNumber->secondNumber()->value(),
       toNumber->secondNumber()->value(),
       toAtEndOfDurationNumber->secondNumber()->value(), y);
   m_firstNumber->setValue(x);
   m_secondNumber->setValue(y);
 }
 
 float SVGNumberOptionalNumber::calculateDistance(SVGPropertyBase* other,
                                                  SVGElement*) {
   // FIXME: Distance calculation is not possible for SVGNumberOptionalNumber
   // right now. We need the distance for every single value.
   return -1;
 }
 
 }  // namespace blink