Lazy Parse CSS

third_party/WebKit/Source/core/css/parser/CSSLazyPropertyParserImpl.h

Index: third_party/WebKit/Source/core/css/parser/CSSLazyPropertyParserImpl.h
diff --git a/third_party/WebKit/Source/core/css/parser/CSSLazyPropertyParserImpl.h b/third_party/WebKit/Source/core/css/parser/CSSLazyPropertyParserImpl.h
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CSSLazyPropertyParserImpl_h
+#define CSSLazyPropertyParserImpl_h
+
+#include "core/css/StylePropertySet.h"
+#include "core/css/parser/CSSParserTokenRange.h"
+#include "core/css/parser/CSSTokenizer.h"
+#include "wtf/Vector.h"
+
+namespace blink {
+
+class CSSLazyParsingState;
+
+// This class is responsible for lazily parsing a single CSS declaration list.
+class CSSLazyPropertyParserImpl : public CSSLazyPropertyParser {
+ public:
+  CSSLazyPropertyParserImpl(CSSParserTokenRange block, CSSLazyParsingState*);
+
+  // CSSLazyPropertyParser:
+  StylePropertySet* parseProperties() override;
+
+  DEFINE_INLINE_TRACE() {
+    visitor->trace(m_lazyState);
+    CSSLazyPropertyParser::trace(visitor);
+  }
+
+ private:
+  Vector<CSSParserToken> m_tokens;
+  Member<CSSLazyParsingState> m_lazyState;
+};
+
+}  // namespace blink
+
+#endif  // CSSLazyPropertyParserImpl_h