Parse input argument types and store the argument types in CSSPaintDefinition.

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

 // 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 CSSSyntaxDescriptor_h
 #define CSSSyntaxDescriptor_h
 
 #include "core/css/parser/CSSParserTokenRange.h"
 
 namespace blink {
@@ skipping 21 matching lines @@
 
 struct CSSSyntaxComponent {
   CSSSyntaxComponent(CSSSyntaxType type, const String& string, bool repeatable)
       : m_type(type), m_string(string), m_repeatable(repeatable) {}
 
   CSSSyntaxType m_type;
   String m_string;  // Only used when m_type is CSSSyntaxType::Ident
   bool m_repeatable;
 };
 
-class CSSSyntaxDescriptor {
+class CORE_EXPORT CSSSyntaxDescriptor {
  public:
   CSSSyntaxDescriptor(String syntax);
 
   const CSSValue* parse(CSSParserTokenRange,
                         const CSSParserContext*,
                         bool isAnimationTainted) const;
   bool isValid() const { return !m_syntaxComponents.isEmpty(); }
   bool isTokenStream() const {
     return m_syntaxComponents.size() == 1 &&
            m_syntaxComponents[0].m_type == CSSSyntaxType::TokenStream;
   }
 
  private:
   Vector<CSSSyntaxComponent> m_syntaxComponents;
 };
 
 }  // namespace blink
 
 #endif  // CSSSyntaxDescriptor_h