Replace ASSERT with DCHECK in core/layout/ excluding subdirs

third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Google 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
@@ skipping 37 matching lines @@
 
 // Stores data about how to map from one layoutObject to its container.
 struct LayoutGeometryMapStep {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
   LayoutGeometryMapStep(const LayoutGeometryMapStep& o)
       : m_layoutObject(o.m_layoutObject),
         m_offset(o.m_offset),
         m_offsetForFixedPosition(o.m_offsetForFixedPosition),
         m_offsetForStickyPosition(o.m_offsetForStickyPosition),
         m_flags(o.m_flags) {
-    ASSERT(!o.m_transform);
+    DCHECK(!o.m_transform);
   }
   LayoutGeometryMapStep(const LayoutObject* layoutObject,
                         GeometryInfoFlags flags)
       : m_layoutObject(layoutObject), m_flags(flags) {}
   const LayoutObject* m_layoutObject;
   LayoutSize m_offset;
   std::unique_ptr<TransformationMatrix>
       m_transform;  // Includes offset if non-null.
   // If m_offsetForFixedPosition could only apply to the fixed position steps,
   // we may be able to merge with m_offsetForStickyPosition and simplify
   // mapping.
   LayoutSize m_offsetForFixedPosition;
   LayoutSize m_offsetForStickyPosition;
   GeometryInfoFlags m_flags;
 };
 
 }  // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
     blink::LayoutGeometryMapStep);
 
 #endif  // LayoutGeometryMapStep_h