Support display: contents for elements, first-line and first-letter pseudos.

third_party/WebKit/Source/core/html/HTMLOptionElement.h

Index: third_party/WebKit/Source/core/html/HTMLOptionElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLOptionElement.h b/third_party/WebKit/Source/core/html/HTMLOptionElement.h
index 64509b8df7529899807c55cc81b6058cf53baa11..435ffb958bf88c4564667c36f7394437bba9334a 100644
--- a/third_party/WebKit/Source/core/html/HTMLOptionElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLOptionElement.h
@@ -33,7 +33,6 @@ namespace blink {
 class ExceptionState;
 class HTMLDataListElement;
 class HTMLSelectElement;
-class ComputedStyle;
 
 class CORE_EXPORT HTMLOptionElement final : public HTMLElement {
   DEFINE_WRAPPERTYPEINFO();
@@ -107,10 +106,6 @@ class CORE_EXPORT HTMLOptionElement final : public HTMLElement {
   void childrenChanged(const ChildrenChange&) override;
   String innerText() override;
 
-  // <option> never has a layoutObject so we manually manage a cached style.
-  void updateNonComputedStyle();
-  ComputedStyle* nonLayoutObjectComputedStyle() const override;
-  PassRefPtr<ComputedStyle> customStyleForLayoutObject() override;
   void didAddUserAgentShadowRoot(ShadowRoot&) override;
 
   String collectOptionInnerText() const;
@@ -123,7 +118,6 @@ class CORE_EXPORT HTMLOptionElement final : public HTMLElement {
   // Represents 'dirtiness'.
   // https://html.spec.whatwg.org/multipage/forms.html#concept-option-dirtiness
   bool m_isDirty = false;
-  RefPtr<ComputedStyle> m_style;
 };
 
 }  // namespace blink