Modernize ref_counted.h

base/memory/ref_counted.cc

Index: base/memory/ref_counted.cc
diff --git a/base/memory/ref_counted.cc b/base/memory/ref_counted.cc
index f5924d0fe76e44672ca24372f93b40d418f46b62..cd6181b147349e46c4a86b7487e952d4725d1f91 100644
--- a/base/memory/ref_counted.cc
+++ b/base/memory/ref_counted.cc
@@ -15,32 +15,32 @@ bool RefCountedThreadSafeBase::HasOneRef() const {
 }
 
 RefCountedThreadSafeBase::RefCountedThreadSafeBase() : ref_count_(0) {
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
   in_dtor_ = false;
 #endif
 }
 
 RefCountedThreadSafeBase::~RefCountedThreadSafeBase() {
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
   DCHECK(in_dtor_) << "RefCountedThreadSafe object deleted without "
                       "calling Release()";
 #endif
 }
 
 void RefCountedThreadSafeBase::AddRef() const {
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
   DCHECK(!in_dtor_);
 #endif
   AtomicRefCountInc(&ref_count_);
 }
 
 bool RefCountedThreadSafeBase::Release() const {
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
   DCHECK(!in_dtor_);
   DCHECK(!AtomicRefCountIsZero(&ref_count_));
 #endif
   if (!AtomicRefCountDec(&ref_count_)) {
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
     in_dtor_ = true;
 #endif
     return true;