[Experimental] CSSSerializer Proof-of-concept

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

Index: third_party/WebKit/Source/core/css/CSSImageSetValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSImageSetValue.cpp b/third_party/WebKit/Source/core/css/CSSImageSetValue.cpp
index 7e25d9246477021d72f3735f61994d13f5f32166..808a37917ada7655344f436e2ae7dec71d87b45c 100644
--- a/third_party/WebKit/Source/core/css/CSSImageSetValue.cpp
+++ b/third_party/WebKit/Source/core/css/CSSImageSetValue.cpp
@@ -27,6 +27,8 @@
 
 #include "core/css/CSSImageValue.h"
 #include "core/css/CSSPrimitiveValue.h"
+#include "core/css/serializer/CSSDeserializeStream.h"
+#include "core/css/serializer/CSSSerializeStream.h"
 #include "core/dom/Document.h"
 #include "core/fetch/FetchInitiatorTypeNames.h"
 #include "core/fetch/FetchRequest.h"
@@ -48,6 +50,13 @@ CSSImageSetValue::CSSImageSetValue()
 {
 }
 
+CSSImageSetValue::CSSImageSetValue(unsigned bitfields, CSSDeserializeStream* stream)
+    : CSSValueList(ImageSetClass, bitfields, stream)
+    , m_isCachePending(true)
+    , m_cachedScaleFactor(1)
+{
+}
+
 CSSImageSetValue::~CSSImageSetValue()
 {
 #if !ENABLE(OILPAN)
@@ -171,6 +180,11 @@ bool CSSImageSetValue::hasFailedOrCanceledSubresources() const
     return true;
 }
 
+void CSSImageSetValue::serializeAfterDispatch(CSSSerializeStream* stream) const
+{
+    CSSValueList::serializeAfterDispatch(stream);
+}
+
 DEFINE_TRACE_AFTER_DISPATCH(CSSImageSetValue)
 {
     visitor->trace(m_cachedImageSet);