CSS Lazy Parsing perf jobs

third_party/WebKit/Source/core/css/StyleSheetContents.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012 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 13 matching lines @@
 
 #include "core/CoreExport.h"
 #include "core/css/RuleSet.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/HashMap.h"
 #include "wtf/Vector.h"
 #include "wtf/text/AtomicStringHash.h"
 #include "wtf/text/StringHash.h"
 #include "wtf/text/TextPosition.h"
+#include "core/css/parser/CSSTokenizer.h"
 
 namespace blink {
 
 class CSSStyleSheet;
 class CSSStyleSheetResource;
 class Document;
 class Node;
 class SecurityOrigin;
 class StyleRuleBase;
 class StyleRuleFontFace;
@@ skipping 121 matching lines @@
 
   RuleSet& ruleSet() {
     ASSERT(m_ruleSet);
     return *m_ruleSet.get();
   }
   RuleSet& ensureRuleSet(const MediaQueryEvaluator&, AddRuleFlags);
   void clearRuleSet();
 
   String sourceMapURL() const { return m_sourceMapURL; }
 
+  void takeEscapedStrings(std::unique_ptr<Vector<String>> strings) {
+    m_escapedStrings.reset(strings.release());
+  }
+
+  CSSTokenizer::Scope m_scope;
+
   DECLARE_TRACE();
 
  private:
   StyleSheetContents(StyleRuleImport* ownerRule,
                      const String& originalURL,
                      const CSSParserContext&);
   StyleSheetContents(const StyleSheetContents&);
   StyleSheetContents() = delete;
   StyleSheetContents& operator=(const StyleSheetContents&) = delete;
   void notifyRemoveFontFaceRule(const StyleRuleFontFace*);
@@ skipping 20 matching lines @@
   bool m_hasSingleOwnerDocument : 1;
   bool m_isUsedFromTextCache : 1;
 
   CSSParserContext m_parserContext;
 
   HeapHashSet<WeakMember<CSSStyleSheet>> m_loadingClients;
   HeapHashSet<WeakMember<CSSStyleSheet>> m_completedClients;
 
   Member<RuleSet> m_ruleSet;
   String m_sourceMapURL;
+
+  // Used for retaining references to escaped strings for lazy parsing. For
+  // non-lazy parsing these are only retained in the CSSTokenizer::Scope.
+  std::unique_ptr<Vector<String>> m_escapedStrings;
+
+  // Only initialized if using lazy parsing. Also referenced on the css
+  // resource.
+  String m_sheetText;
 };
 
 }  // namespace blink
 
 #endif