Lazy Parse CSS

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

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008, 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 137 matching lines @@
         m_isMutable(false),
         m_arraySize(std::min(immutableArraySize, unsigned(MaxArraySize))) {}
 
   unsigned m_cssParserMode : 3;
   mutable unsigned m_isMutable : 1;
   unsigned m_arraySize : 28;
 
   friend class PropertySetCSSStyleDeclaration;
 };
 
+// Used for lazily parsing properties.
+class CSSLazyPropertyParser
+    : public GarbageCollectedFinalized<CSSLazyPropertyParser> {
+  WTF_MAKE_NONCOPYABLE(CSSLazyPropertyParser);
+
+ public:
+  CSSLazyPropertyParser() {}
+  virtual ~CSSLazyPropertyParser() {}
+  virtual StylePropertySet* parseProperties() = 0;
+  DECLARE_VIRTUAL_TRACE();
+};
+
 class CORE_EXPORT ImmutableStylePropertySet : public StylePropertySet {
  public:
   ~ImmutableStylePropertySet();
   static ImmutableStylePropertySet* create(const CSSProperty* properties,
                                            unsigned count,
                                            CSSParserMode);
 
   unsigned propertyCount() const { return m_arraySize; }
 
   const Member<const CSSValue>* valueArray() const;
@@ skipping 149 matching lines @@
 template <typename T>
 inline int StylePropertySet::findPropertyIndex(T property) const {
   if (m_isMutable)
     return toMutableStylePropertySet(this)->findPropertyIndex(property);
   return toImmutableStylePropertySet(this)->findPropertyIndex(property);
 }
 
 }  // namespace blink
 
 #endif  // StylePropertySet_h