Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/platform/heap/TraceTraits.h

 // 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.
 
 #ifndef TraceTraits_h
 #define TraceTraits_h
 
 #include "platform/heap/GCInfo.h"
 #include "platform/heap/Heap.h"
 #include "platform/heap/InlinedGlobalMarkingVisitor.h"
@@ skipping 31 matching lines @@
 template <typename T, bool = NeedsAdjustAndMark<T>::value>
 class AdjustAndMarkTrait;
 
 template <typename T>
 class AdjustAndMarkTrait<T, false> {
   STATIC_ONLY(AdjustAndMarkTrait);
 
  public:
   template <typename VisitorDispatcher>
   static void mark(VisitorDispatcher visitor, const T* t) {
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
     assertObjectHasGCInfo(const_cast<T*>(t), GCInfoTrait<T>::index());
 #endif
     // Default mark method of the trait just calls the two-argument mark
     // method on the visitor. The second argument is the static trace method
     // of the trait, which by default calls the instance method
     // trace(Visitor*) on the object.
     //
     // If the trait allows it, invoke the trace callback right here on the
     // not-yet-marked object.
     if (TraceEagerlyTrait<T>::value) {
@@ skipping 728 matching lines @@
     // since iterating over the hash table backing will find the whole
     // chain.
     visitor->markNoTracing(node);
     return false;
   }
 };
 
 }  // namespace WTF
 
 #endif