Allow assertions to be enabled in Blink Release builds.

Source/core/rendering/RenderGeometryMap.h

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 105 matching lines @@
     void stepRemoved(const RenderGeometryMapStep&);
 
     bool hasNonUniformStep() const { return m_nonUniformStepsCount; }
     bool hasTransformStep() const { return m_transformedStepsCount; }
     bool hasFixedPositionStep() const { return m_fixedStepsCount; }
 
 #ifndef NDEBUG
     void dumpSteps() const;
 #endif
 
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
     bool isTopmostRenderView(const RenderObject* renderer) const;
 #endif
 
     typedef Vector<RenderGeometryMapStep, 32> RenderGeometryMapSteps;
 
     size_t m_insertionPosition;
     int m_nonUniformStepsCount;
     int m_transformedStepsCount;
     int m_fixedStepsCount;
     RenderGeometryMapSteps m_mapping;
     LayoutSize m_accumulatedOffset;
     MapCoordinatesFlags m_mapCoordinatesFlags;
 };
 
 } // namespace WebCore
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(WebCore::RenderGeometryMapStep);
 
 #endif // RenderGeometryMap_h