ASSERT -> DCHECK conversions in core/editing.

third_party/WebKit/Source/core/editing/EphemeralRange.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 EphemeralRange_h
 #define EphemeralRange_h
 
 #include "core/editing/Position.h"
 
 namespace blink {
@@ skipping 62 matching lines @@
 
     // |node| should be in-document and valid for anchor node of
     // |PositionTemplate<Strategy>|.
     static EphemeralRangeTemplate<Strategy> rangeOfContents(const Node& /* node */);
 
 private:
     bool isValid() const;
 
     PositionTemplate<Strategy> m_startPosition;
     PositionTemplate<Strategy> m_endPosition;
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
     uint64_t m_domTreeVersion;
 #endif
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT EphemeralRangeTemplate<EditingStrategy>;
 using EphemeralRange = EphemeralRangeTemplate<EditingStrategy>;
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT EphemeralRangeTemplate<EditingInFlatTreeStrategy>;
 using EphemeralRangeInFlatTree = EphemeralRangeTemplate<EditingInFlatTreeStrategy>;
 
 // Returns a newly created |Range| object from |range| or |nullptr| if
 // |range.isNull()| returns true.
 CORE_EXPORT Range* createRange(const EphemeralRange& /* range */);
 
 } // namespace blink
 
 #endif