Storage of ComputedStyle separate from LayoutObject.

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 f43a0322431270e46adf942b96107d9577465e69..12c830de6dcedc3b35aed9fcf0cd9ac0487535ca 100644
--- a/third_party/WebKit/Source/core/dom/ElementRareData.h
+++ b/third_party/WebKit/Source/core/dom/ElementRareData.h
@@ -88,10 +88,6 @@ public:
     NamedNodeMap* attributeMap() const { return m_attributeMap.get(); }
     void setAttributeMap(NamedNodeMap* attributeMap) { m_attributeMap = attributeMap; }
 
-    ComputedStyle* ensureComputedStyle() const { return m_computedStyle.get(); }
-    void setComputedStyle(PassRefPtr<ComputedStyle> computedStyle) { m_computedStyle = computedStyle; }
-    void clearComputedStyle() { m_computedStyle = nullptr; }
-
     ClassList* classList() const { return m_classList.get(); }
     void setClassList(ClassList* classList) { m_classList = classList; }
     void clearClassListValueForQuirksMode()
@@ -163,7 +159,6 @@ private:
     Member<ElementAnimations> m_elementAnimations;
     Member<NodeIntersectionObserverData> m_intersectionObserverData;
 
-    RefPtr<ComputedStyle> m_computedStyle;
     Member<V0CustomElementDefinition> m_customElementDefinition;
 
     Member<PseudoElementData> m_pseudoElementData;