Replace ENABLE(ASSERT) with DCHECK_IS_ON().

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

 // 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.
 
 #ifndef MarkingVisitorImpl_h
 #define MarkingVisitorImpl_h
 
 #include "platform/heap/Heap.h"
 #include "platform/heap/ThreadState.h"
 #include "platform/heap/Visitor.h"
@@ skipping 62 matching lines @@
   }
 
   inline void registerWeakTable(const void* closure,
                                 EphemeronCallback iterationCallback,
                                 EphemeronCallback iterationDoneCallback) {
     DCHECK(toDerived()->getMarkingMode() != VisitorMarkingMode::WeakProcessing);
     toDerived()->heap().registerWeakTable(
         const_cast<void*>(closure), iterationCallback, iterationDoneCallback);
   }
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   inline bool weakTableRegistered(const void* closure) {
     return toDerived()->heap().weakTableRegistered(closure);
   }
 #endif
 
   inline void registerMovingObjectReference(MovableReference* slot) {
     if (toDerived()->getMarkingMode() !=
         VisitorMarkingMode::GlobalMarkingWithCompaction)
       return;
     toDerived()->heap().registerMovingObjectReference(slot);
   }
 
   inline void registerMovingObjectCallback(MovableReference reference,
                                            MovingObjectCallback callback,
                                            void* callbackData) {
     if (toDerived()->getMarkingMode() !=
         VisitorMarkingMode::GlobalMarkingWithCompaction)
       return;
     toDerived()->heap().registerMovingObjectCallback(reference, callback,
                                                      callbackData);
   }
 
   inline bool ensureMarked(const void* objectPointer) {
     if (!objectPointer)
       return false;
 
     HeapObjectHeader* header = HeapObjectHeader::fromPayload(objectPointer);
     if (header->isMarked())
       return false;
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
     toDerived()->markNoTracing(objectPointer);
 #else
     // Inline what the above markNoTracing() call expands to,
     // so as to make sure that we do get all the benefits (asserts excepted.)
     header->mark();
 #endif
     return true;
   }
 
   inline void registerWeakCellWithCallback(void** cell, WeakCallback callback) {
     DCHECK(toDerived()->getMarkingMode() != VisitorMarkingMode::WeakProcessing);
     // We don't want to run weak processings when taking a snapshot.
     if (toDerived()->getMarkingMode() == VisitorMarkingMode::SnapshotMarking)
       return;
     toDerived()->heap().pushGlobalWeakCallback(cell, callback);
   }
 
   Derived* toDerived() { return static_cast<Derived*>(this); }
 
  private:
   static void markNoTracingCallback(Visitor* visitor, void* object) {
     visitor->markNoTracing(object);
   }
 };
 
 }  // namespace blink
 
 #endif