Remove unused lazyAppend from StyleResolver.

third_party/WebKit/Source/core/css/resolver/StyleResolver.h

Index: third_party/WebKit/Source/core/css/resolver/StyleResolver.h
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleResolver.h b/third_party/WebKit/Source/core/css/resolver/StyleResolver.h
index 8b79e49106e9a4f568e35bef5e8955703af4bfac..98fdb63e7fe99190b090fb4526424b342689b049 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleResolver.h
+++ b/third_party/WebKit/Source/core/css/resolver/StyleResolver.h
@@ -44,7 +44,6 @@ namespace blink {
 
 class AnimatableValue;
 class CSSRuleList;
-class CSSStyleSheet;
 class CSSValue;
 class Document;
 class Element;
@@ -103,18 +102,6 @@ class CORE_EXPORT StyleResolver final
 
   static PassRefPtr<ComputedStyle> styleForDocument(Document&);
 
-  // FIXME: It could be better to call appendAuthorStyleSheets() directly after
-  // we factor StyleResolver further.
-  // https://bugs.webkit.org/show_bug.cgi?id=108890
-  void appendAuthorStyleSheets(const HeapVector<Member<CSSStyleSheet>>&);
-  void lazyAppendAuthorStyleSheets(unsigned firstNew,
-                                   const HeapVector<Member<CSSStyleSheet>>&);
-  void removePendingAuthorStyleSheets(const HeapVector<Member<CSSStyleSheet>>&);
-  void appendPendingAuthorStyleSheets();
-  bool hasPendingAuthorStyleSheets() const {
-    return m_pendingStyleSheets.size() > 0;
-  }
-
   // TODO(esprehn): StyleResolver should probably not contain tree walking
   // state, instead we should pass a context object during recalcStyle.
   SelectorFilter& selectorFilter() { return m_selectorFilter; }
@@ -182,8 +169,6 @@ class CORE_EXPORT StyleResolver final
   void loadPendingResources(StyleResolverState&);
   void adjustComputedStyle(StyleResolverState&, Element*);
 
-  void appendCSSStyleSheet(CSSStyleSheet&);
-
   void collectPseudoRulesForElement(const Element&,
                                     ElementRuleCollector&,
                                     PseudoId,
@@ -320,8 +305,6 @@ class CORE_EXPORT StyleResolver final
   Member<Document> m_document;
   SelectorFilter m_selectorFilter;
 
-  HeapListHashSet<Member<CSSStyleSheet>, 16> m_pendingStyleSheets;
-
   Member<StyleRuleUsageTracker> m_tracker;
 
   bool m_printMediaType = false;