Remove ASSERT_UNUSED

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann
  * <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 772 matching lines @@
   Node::addedEventListener(eventType, registeredListener);
 
   // Add event listener to all shadow tree DOM element instances
   HeapHashSet<WeakMember<SVGElement>> instances;
   collectInstancesForSVGElement(this, instances);
   AddEventListenerOptionsResolved options = registeredListener.options();
   EventListener* listener = registeredListener.listener();
   for (SVGElement* element : instances) {
     bool result =
         element->Node::addEventListenerInternal(eventType, listener, options);
-    ASSERT_UNUSED(result, result);
+    DCHECK(result);
   }
 }
 
 void SVGElement::removedEventListener(
     const AtomicString& eventType,
     const RegisteredEventListener& registeredListener) {
   Node::removedEventListener(eventType, registeredListener);
 
   // Remove event listener from all shadow tree DOM element instances
   HeapHashSet<WeakMember<SVGElement>> instances;
@@ skipping 424 matching lines @@
   visitor->trace(m_className);
   Element::trace(visitor);
 }
 
 const AtomicString& SVGElement::eventParameterName() {
   DEFINE_STATIC_LOCAL(const AtomicString, evtString, ("evt"));
   return evtString;
 }
 
 }  // namespace blink