Replace ASSERT with DCHECK in core/svg/

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/svg/SVGElementRareData.h"
 
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/Document.h"
 #include "core/svg/SVGElementProxy.h"
 
 namespace blink {
 
 MutableStylePropertySet*
 SVGElementRareData::ensureAnimatedSMILStyleProperties() {
   if (!m_animatedSMILStyleProperties)
     m_animatedSMILStyleProperties =
         MutableStylePropertySet::create(SVGAttributeMode);
   return m_animatedSMILStyleProperties.get();
 }
 
 ComputedStyle* SVGElementRareData::overrideComputedStyle(
     Element* element,
     const ComputedStyle* parentStyle) {
-  ASSERT(element);
+  DCHECK(element);
   if (!m_useOverrideComputedStyle)
     return nullptr;
   if (!m_overrideComputedStyle || m_needsOverrideComputedStyleUpdate) {
     // The style computed here contains no CSS Animations/Transitions or SMIL
     // induced rules - this is needed to compute the "base value" for the SMIL
     // animation sandwhich model.
     m_overrideComputedStyle =
         element->document().ensureStyleResolver().styleForElement(
             element, parentStyle, parentStyle, DisallowStyleSharing,
             MatchAllRulesExcludingSMIL);
     m_needsOverrideComputedStyleUpdate = false;
   }
-  ASSERT(m_overrideComputedStyle);
+  DCHECK(m_overrideComputedStyle);
   return m_overrideComputedStyle.get();
 }
 
 DEFINE_TRACE(SVGElementRareData) {
   visitor->trace(m_outgoingReferences);
   visitor->trace(m_incomingReferences);
   visitor->trace(m_elementProxySet);
   visitor->trace(m_animatedSMILStyleProperties);
   visitor->trace(m_elementInstances);
   visitor->trace(m_correspondingElement);
   visitor->trace(m_owner);
 }
 
 AffineTransform* SVGElementRareData::animateMotionTransform() {
   return &m_animateMotionTransform;
 }
 
 SVGElementProxySet& SVGElementRareData::ensureElementProxySet() {
   if (!m_elementProxySet)
     m_elementProxySet = new SVGElementProxySet;
   return *m_elementProxySet;
 }
 
 }  // namespace blink