Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/dom/ElementRareData.h

Index: third_party/WebKit/Source/core/dom/ElementRareData.h
diff --git a/third_party/WebKit/Source/core/dom/ElementRareData.h b/third_party/WebKit/Source/core/dom/ElementRareData.h
index 665b59a57c2b98af2757cc2eb417ce6ddaf7980b..d33a670f94879fd8a5a18a26a790991aa06e1e39 100644
--- a/third_party/WebKit/Source/core/dom/ElementRareData.h
+++ b/third_party/WebKit/Source/core/dom/ElementRareData.h
@@ -92,20 +92,8 @@ public:
     NamedNodeMap* attributeMap() const { return m_attributeMap.get(); }
     void setAttributeMap(NamedNodeMap* attributeMap) { m_attributeMap = attributeMap; }
 
-    ComputedStyle* computedStyle() const
-    {
-        DCHECK(!(layoutObject() && m_computedStyle));
-        if (layoutObject())
-            return layoutObject()->mutableStyle();
-        return m_computedStyle.get();
-    }
-    void setComputedStyle(PassRefPtr<ComputedStyle> computedStyle)
-    {
-        if (layoutObject())
-            layoutObject()->setStyleInternal(std::move(computedStyle));
-        else
-            m_computedStyle = computedStyle;
-    }
+    ComputedStyle* computedStyle() const { return m_computedStyle.get(); }
+    void setComputedStyle(PassRefPtr<ComputedStyle> computedStyle) { m_computedStyle = computedStyle; }
     void clearComputedStyleIfNoLayoutObject()
     {
         DCHECK(!(layoutObject() && m_computedStyle));