Replace ENABLE(ASSERT) with DCHECK_IS_ON().

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

 /*
  * Copyright (C) 2009 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 94 matching lines @@
       m_parent(0),
       m_maskLayer(0),
       m_contentsClippingMaskLayer(0),
       m_paintCount(0),
       m_contentsLayer(0),
       m_contentsLayerId(0),
       m_scrollableArea(nullptr),
       m_renderingContext3d(0),
       m_colorBehavior(ColorBehavior::transformToGlobalTarget()),
       m_hasPreferredRasterBounds(false) {
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   if (m_client)
     m_client->verifyNotPainting();
 #endif
 
   // In true color mode, no inputs are adjusted, and all colors are converted
   // at rasterization time.
   if (RuntimeEnabledFeatures::trueColorRenderingEnabled())
     m_colorBehavior = ColorBehavior::tag();
 
   m_contentLayerDelegate = WTF::makeUnique<ContentLayerDelegate>(this);
   m_layer = Platform::current()->compositorSupport()->createContentLayer(
       m_contentLayerDelegate.get());
   m_layer->layer()->setDrawsContent(m_drawsContent && m_contentsVisible);
   m_layer->layer()->setLayerClient(this);
 }
 
 GraphicsLayer::~GraphicsLayer() {
   for (size_t i = 0; i < m_linkHighlights.size(); ++i)
     m_linkHighlights[i]->clearCurrentGraphicsLayer();
   m_linkHighlights.clear();
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   if (m_client)
     m_client->verifyNotPainting();
 #endif
 
   removeAllChildren();
   removeFromParent();
 
   rasterInvalidationTrackingMap().remove(this);
   DCHECK(!m_parent);
 }
@@ skipping 1178 matching lines @@
 void showGraphicsLayerTree(const blink::GraphicsLayer* layer) {
   if (!layer) {
     LOG(INFO) << "Cannot showGraphicsLayerTree for (nil).";
     return;
   }
 
   String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
   LOG(INFO) << output.utf8().data();
 }
 #endif