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

third_party/WebKit/Source/core/layout/svg/LayoutSVGRoot.h

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 27 matching lines @@
   bool isEmbeddedThroughSVGImage() const;
   bool isEmbeddedThroughFrameContainingSVGDocument() const;
 
   void computeIntrinsicSizingInfo(IntrinsicSizingInfo&) const override;
 
   // If you have a LayoutSVGRoot, use firstChild or lastChild instead.
   void slowFirstChild() const = delete;
   void slowLastChild() const = delete;
 
   LayoutObject* firstChild() const {
-    ASSERT(children() == virtualChildren());
+    DCHECK_EQ(children(), virtualChildren());
     return children()->firstChild();
   }
   LayoutObject* lastChild() const {
-    ASSERT(children() == virtualChildren());
+    DCHECK_EQ(children(), virtualChildren());
     return children()->lastChild();
   }
 
   bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; }
   bool didScreenScaleFactorChange() const {
     return m_didScreenScaleFactorChange;
   }
   void setNeedsBoundariesUpdate() override {
     m_needsBoundariesOrTransformUpdate = true;
   }
@@ skipping 116 matching lines @@
   bool m_hasBoxDecorationBackground : 1;
   mutable bool m_hasNonIsolatedBlendingDescendants : 1;
   mutable bool m_hasNonIsolatedBlendingDescendantsDirty : 1;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGRoot, isSVGRoot());
 
 }  // namespace blink
 
 #endif  // LayoutSVGRoot_h