[Experimental] CSSSerializer Proof-of-concept

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

Index: third_party/WebKit/Source/core/css/CSSImageValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSImageValue.cpp b/third_party/WebKit/Source/core/css/CSSImageValue.cpp
index b8ee78fb88e48c334ac0a1a829f040ac492ace5c..b32da12d8412827c6fcd5008f8f8bf895f3fdc7c 100644
--- a/third_party/WebKit/Source/core/css/CSSImageValue.cpp
+++ b/third_party/WebKit/Source/core/css/CSSImageValue.cpp
@@ -21,6 +21,8 @@
 #include "core/css/CSSImageValue.h"
 
 #include "core/css/CSSMarkup.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"
@@ -47,6 +49,27 @@ CSSImageValue::~CSSImageValue()
 {
 }
 
+PassRefPtrWillBeRawPtr<CSSImageValue> CSSImageValue::deserializeAfterDispatch(CSSDeserializeStream* stream)
+{
+    AtomicString relativeURL = stream->readAtomicString();
+    AtomicString absoluteURL = stream->readAtomicString();
+    Referrer referrer = stream->readReferrer();
+    AtomicString initiatorName = stream->readAtomicString();
+    
+    return adoptRefWillBeNoop(new CSSImageValue(relativeURL, absoluteURL, referrer, initiatorName));
+}
+
+CSSImageValue::CSSImageValue(AtomicString relativeURL, AtomicString absoluteURL, const Referrer& referrer, AtomicString initiatorName)
+    : CSSValue(ImageClass)
+    , m_relativeURL(relativeURL)
+    , m_absoluteURL(absoluteURL)
+    , m_referrer(referrer)
+    , m_isCachePending(true)
+    , m_cachedImage(nullptr)
+    , m_initiatorName(initiatorName)
+{ 
+}
+
 StyleFetchedImage* CSSImageValue::cacheImage(Document* document, CrossOriginAttributeValue crossOrigin)
 {
     ASSERT(document);
@@ -108,6 +131,14 @@ bool CSSImageValue::knownToBeOpaque(const LayoutObject* layoutObject) const
     return m_cachedImage ? m_cachedImage->knownToBeOpaque(layoutObject) : false;
 }
 
+void CSSImageValue::serializeAfterDispatch(CSSSerializeStream* stream) const
+{
+    stream->writeAtomicString(m_relativeURL);
+    stream->writeAtomicString(m_absoluteURL);
+    stream->writeReferrer(m_referrer);
+    stream->writeAtomicString(m_initiatorName);
+}
+
 DEFINE_TRACE_AFTER_DISPATCH(CSSImageValue)
 {
     visitor->trace(m_cachedImage);