Replace ASSERT with DCHECK in core/layout/<sub dirs>

third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h

 /*
  * Copyright (C) 2009, 2010, 2011 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 247 matching lines @@
   }
   void clearNeedsGraphicsLayerUpdate() {
     m_pendingUpdateScope = GraphicsLayerUpdateNone;
   }
 
   GraphicsLayerUpdater::UpdateType updateTypeForChildren(
       GraphicsLayerUpdater::UpdateType) const;
 
 #if DCHECK_IS_ON()
   void assertNeedsToUpdateGraphicsLayerBitsCleared() {
-    ASSERT(m_pendingUpdateScope == GraphicsLayerUpdateNone);
+    DCHECK_EQ(m_pendingUpdateScope,
+              static_cast<unsigned>(GraphicsLayerUpdateNone));
   }
 #endif
 
   String debugName(const GraphicsLayer*) const override;
 
   LayoutSize contentOffsetInCompositingLayer() const;
 
   LayoutPoint squashingOffsetFromTransformedAncestor() {
     return m_squashingLayerOffsetFromTransformedAncestor;
   }
@@ skipping 422 matching lines @@
   unsigned m_backgroundPaintsOntoGraphicsLayer : 1;
 
   bool m_drawsBackgroundOntoContentLayer;
 
   friend class CompositedLayerMappingTest;
 };
 
 }  // namespace blink
 
 #endif  // CompositedLayerMapping_h