Replace ASSERT with DCHECK in core/svg/

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

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.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,
@@ skipping 29 matching lines @@
         m_closure(std::move(closure)) {}
 
  private:
   void idTargetChanged() override { (*m_closure)(); }
   std::unique_ptr<WTF::Closure> m_closure;
 };
 }
 
 SVGURIReference::SVGURIReference(SVGElement* element)
     : m_href(SVGAnimatedHref::create(element)) {
-  ASSERT(element);
+  DCHECK(element);
   m_href->addToPropertyMap(element);
 }
 
 DEFINE_TRACE(SVGURIReference) {
   visitor->trace(m_href);
 }
 
 bool SVGURIReference::isKnownAttribute(const QualifiedName& attrName) {
   return SVGAnimatedHref::isKnownAttribute(attrName);
 }
@@ skipping 82 matching lines @@
 }
 
 void SVGURIReference::unobserveTarget(Member<IdTargetObserver>& observer) {
   if (!observer)
     return;
   observer->unregister();
   observer = nullptr;
 }
 
 }  // namespace blink