Convert GraphicsLayer from ASSERT to DCHECK

third_party/WebKit/Source/platform/graphics/GraphicsLayer.h

 /*
  * Copyright (C) 2009 Apple 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:
  * 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 287 matching lines @@
  private:
   // Returns true if PaintController::paintArtifact() changed and needs commit.
   bool paintWithoutCommit(
       const IntRect* interestRect,
       GraphicsContext::DisabledMode = GraphicsContext::NothingDisabled);
 
   // Adds a child without calling updateChildList(), so that adding children
   // can be batched before updating.
   void addChildInternal(GraphicsLayer*);
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   bool hasAncestor(GraphicsLayer*) const;
 #endif
 
   void incrementPaintCount() { ++m_paintCount; }
 
   void notifyFirstPaintToClient();
 
   // Helper functions used by settors to keep layer's the state consistent.
   void updateChildList();
   void updateLayerIsDrawable();
@@ skipping 89 matching lines @@
 };
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the blink namespace for ease of invocation from gdb.
 void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif  // GraphicsLayer_h