Allow assertions to be enabled in Blink Release builds.

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2611 matching lines @@
 DOMStringMap& Element::dataset()
 {
     ElementRareData& rareData = ensureElementRareData();
     if (!rareData.dataset())
         rareData.setDataset(DatasetDOMStringMap::create(this));
     return *rareData.dataset();
 }
 
 KURL Element::getURLAttribute(const QualifiedName& name) const
 {
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
     if (elementData()) {
         if (const Attribute* attribute = attributes().find(name))
             ASSERT(isURLAttribute(*attribute));
     }
 #endif
     return document().completeURL(stripLeadingAndTrailingHTMLSpaces(getAttribute(name)));
 }
 
 KURL Element::getNonEmptyURLAttribute(const QualifiedName& name) const
 {
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
     if (elementData()) {
         if (const Attribute* attribute = attributes().find(name))
             ASSERT(isURLAttribute(*attribute));
     }
 #endif
     String value = stripLeadingAndTrailingHTMLSpaces(getAttribute(name));
     if (value.isEmpty())
         return KURL();
     return document().completeURL(value);
 }
@@ skipping 111 matching lines @@
         case SpellcheckAttributeFalse:
             return false;
         case SpellcheckAttributeDefault:
             break;
         }
     }
 
     return true;
 }
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
 bool Element::fastAttributeLookupAllowed(const QualifiedName& name) const
 {
     if (name == HTMLNames::styleAttr)
         return false;
 
     if (isSVGElement())
         return !toSVGElement(this)->isAnimatableAttribute(name);
 
     return true;
 }
@@ skipping 567 matching lines @@
 
 void Element::trace(Visitor* visitor)
 {
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
     ContainerNode::trace(visitor);
 }
 
 } // namespace WebCore