Return computed style for width/height for non-root SVG

third_party/WebKit/Source/core/layout/LayoutBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 330 matching lines @@
           !oldStyle->border().radiiEqual(newStyle.border()))
         setNeedsPaintPropertyUpdate();
     }
   }
 
   if (diff.transformChanged()) {
     if (ScrollingCoordinator* scrollingCoordinator =
             document().frame()->page()->scrollingCoordinator())
       scrollingCoordinator->notifyTransformChanged(*this);
   }
-  // Non-atomic inlines should be LayoutInline or LayoutText, not LayoutBox.
-  DCHECK(!isInline() || isAtomicInlineLevel());
+  // Non-atomic inlines should be LayoutInline or LayoutText, not LayoutBox,
+  // except for SVG child.
+  DCHECK(isSVGChild() || !isInline() || isAtomicInlineLevel());
 }
 
 void LayoutBox::updateBackgroundAttachmentFixedStatusAfterStyleChange() {
   if (!frameView())
     return;
 
   // On low-powered/mobile devices, preventing blitting on a scroll can cause
   // noticeable delays when scrolling a page with a fixed background image. As
   // an optimization, assuming there are no fixed positoned elements on the
   // page, we can acclerate scrolling (via blitting) if we ignore the CSS
@@ skipping 5392 matching lines @@
 
 void LayoutBox::MutableForPainting::
     savePreviousContentBoxSizeAndLayoutOverflowRect() {
   auto& rareData = layoutBox().ensureRareData();
   rareData.m_hasPreviousContentBoxSizeAndLayoutOverflowRect = true;
   rareData.m_previousContentBoxSize = layoutBox().contentBoxRect().size();
   rareData.m_previousLayoutOverflowRect = layoutBox().layoutOverflowRect();
 }
 
 }  // namespace blink