Replace ASSERT, ASSERT_NOT_REACHED, and RELEASE_ASSERT in core/css/

third_party/WebKit/Source/core/css/CSSCustomIdentValue.cpp

 // Copyright 2015 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/css/CSSCustomIdentValue.h"
 
 #include "core/css/CSSMarkup.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 CSSCustomIdentValue::CSSCustomIdentValue(const AtomicString& str)
     : CSSValue(CustomIdentClass),
       m_string(str),
       m_propertyId(CSSPropertyInvalid) {}
 
 CSSCustomIdentValue::CSSCustomIdentValue(CSSPropertyID id)
     : CSSValue(CustomIdentClass), m_string(), m_propertyId(id) {
-  ASSERT(isKnownPropertyID());
+  DCHECK(isKnownPropertyID());
 }
 
 String CSSCustomIdentValue::customCSSText() const {
   if (isKnownPropertyID())
     return getPropertyNameAtomicString(m_propertyId);
   StringBuilder builder;
   serializeIdentifier(m_string, builder);
   return builder.toString();
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSCustomIdentValue) {
   CSSValue::traceAfterDispatch(visitor);
 }
 
 }  // namespace blink