[Experimental] CSSSerializer Proof-of-concept

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

Index: third_party/WebKit/Source/core/css/MediaQueryExp.h
diff --git a/third_party/WebKit/Source/core/css/MediaQueryExp.h b/third_party/WebKit/Source/core/css/MediaQueryExp.h
index 98d83338be00776b65fe8fa7f66a3e5083fae64a..3dd66cb820c60092493736b885b568473959d136 100644
--- a/third_party/WebKit/Source/core/css/MediaQueryExp.h
+++ b/third_party/WebKit/Source/core/css/MediaQueryExp.h
@@ -40,7 +40,9 @@
 
 namespace blink {
 
+class CSSDeserializeStream;
 class CSSParserToken;
+class CSSSerializeStream;
 
 struct MediaQueryExpValue {
     DISALLOW_NEW();
@@ -78,12 +80,16 @@ struct MediaQueryExpValue {
             return (numerator == expValue.numerator && denominator == expValue.denominator);
         return !expValue.isValid();
     }
+
+    void serialize(CSSSerializeStream*) const;
+    static MediaQueryExpValue deserialize(CSSDeserializeStream*);
 };
 
-class CORE_EXPORT MediaQueryExp  : public NoBaseWillBeGarbageCollectedFinalized<MediaQueryExp> {
+class CORE_EXPORT MediaQueryExp final : public NoBaseWillBeGarbageCollectedFinalized<MediaQueryExp> {
     USING_FAST_MALLOC_WILL_BE_REMOVED(MediaQueryExp);
 public:
     static PassOwnPtrWillBeRawPtr<MediaQueryExp> createIfValid(const String& mediaFeature, const Vector<CSSParserToken, 4>&);
+    static PassOwnPtrWillBeRawPtr<MediaQueryExp> deserialize(CSSDeserializeStream*);
     ~MediaQueryExp();
 
     const String& mediaFeature() const { return m_mediaFeature; }
@@ -100,6 +106,8 @@ public:
 
     MediaQueryExp(const MediaQueryExp& other);
 
+    void serialize(CSSSerializeStream*) const;
+
     DEFINE_INLINE_TRACE() { }
 
 private: