Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/platform/graphics/Path.cpp

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  *                     2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 531 matching lines @@
 }
 
 bool Path::unionPath(const Path& other) {
   return Op(m_path, other.m_path, kUnion_SkPathOp, &m_path);
 }
 
 bool Path::intersectPath(const Path& other) {
   return Op(m_path, other.m_path, kIntersect_SkPathOp, &m_path);
 }
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
 bool ellipseIsRenderable(float startAngle, float endAngle) {
   return (std::abs(endAngle - startAngle) < twoPiFloat) ||
          WebCoreFloatNearlyEqual(std::abs(endAngle - startAngle), twoPiFloat);
 }
 #endif
 
 }  // namespace blink