Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/dom/Text.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 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 106 matching lines @@
     Text* newText = cloneWithData(oldStr.substring(offset));
     setDataWithoutUpdate(oldStr.substring(0, offset));
 
     didModifyData(oldStr, CharacterData::UpdateFromNonParser);
 
     if (parentNode())
         parentNode()->insertBefore(newText, nextSibling(), exceptionState);
     if (exceptionState.hadException())
         return nullptr;
 
-    if (layoutObject())
+    if (hasLayoutObject())
         layoutObject()->setTextWithOffset(dataImpl(), 0, oldStr.length());
 
     if (parentNode())
         document().didSplitTextNode(*this);
 
     // [NewObject] must always create a new wrapper.  Check that a wrapper
     // does not exist yet.
     DCHECK(DOMDataStore::getWrapper(newText, v8::Isolate::GetCurrent()).IsEmpty());
 
     return newText;
@@ skipping 320 matching lines @@
             result.append("; ");
         result.append("value=");
         result.append(s);
     }
 
     strncpy(buffer, result.toString().utf8().data(), length - 1);
 }
 #endif
 
 } // namespace blink