[Experimental] CSSSerializer Proof-of-concept

third_party/WebKit/Source/core/css/MediaList.cpp

Index: third_party/WebKit/Source/core/css/MediaList.cpp
diff --git a/third_party/WebKit/Source/core/css/MediaList.cpp b/third_party/WebKit/Source/core/css/MediaList.cpp
index 2eb049f9ee6597d97993d931fd1f18afce10ed23..dd4678e1813b2495052bbd754267a8d58e3e7c6c 100644
--- a/third_party/WebKit/Source/core/css/MediaList.cpp
+++ b/third_party/WebKit/Source/core/css/MediaList.cpp
@@ -24,6 +24,8 @@
 #include "core/css/MediaQuery.h"
 #include "core/css/MediaQueryExp.h"
 #include "core/css/parser/MediaQueryParser.h"
+#include "core/css/serializer/CSSDeserializeStream.h"
+#include "core/css/serializer/CSSSerializeStream.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
@@ -159,6 +161,26 @@ String MediaQuerySet::mediaText() const
     return text.toString();
 }
 
+void MediaQuerySet::serialize(CSSSerializeStream* stream) const
+{
+    stream->writeUnsigned(m_queries.size());
+    for (const OwnPtrWillBeMember<MediaQuery>& query : m_queries)
+        query->serialize(stream);
+}
+
+PassRefPtrWillBeRawPtr<MediaQuerySet> MediaQuerySet::deserialize(CSSDeserializeStream* stream)
+{
+    CSDEBUG("MediaQuerySet::deserialize\n");
+    RefPtrWillBeRawPtr<MediaQuerySet> set = create();
+
+    unsigned size = stream->readUnsigned();
+    set->m_queries.reserveCapacity(size);
+    for (unsigned i = 0; i < size; ++ i)
+        set->m_queries.append(MediaQuery::deserialize(stream));
+
+    return set.release();
+}
+
 DEFINE_TRACE(MediaQuerySet)
 {
     // We don't support tracing of vectors of OwnPtrs (ie. OwnPtr<Vector<OwnPtr<MediaQuery>>>).