Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/platform/heap/PagePool.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 PagePool_h
 #define PagePool_h
 
 #include "platform/heap/ThreadState.h"
 #include "wtf/Allocator.h"
 #include "wtf/ThreadingPrimitives.h"
@@ skipping 46 matching lines @@
 
 class OrphanedPagePool : public PagePool<BasePage> {
  public:
   // The orphaned zap value must be zero in the lowest bits to allow for
   // using the mark bit when tracing.
   static const uint8_t orphanedZapValue = 0xdc;
 
   ~OrphanedPagePool();
   void addOrphanedPage(int, BasePage*);
   void decommitOrphanedPages();
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   bool contains(void*);
 #endif
 
   // For orphaned pages, we need to memset with ASan disabled, because
   // the orphaned pages can still contain poisoned memory or annotated
   // container but we want to forcibly clear the orphaned pages without
   // causing ASan errors. asanDisabledMemset must not be used for
   // non-orphaned pages.
   static void asanDisabledMemset(Address, char, size_t);
 
  private:
   void clearMemory(PageMemory*);
 };
 
 }  // namespace blink
 
 #endif