[Experimental] CSSSerializer Proof-of-concept

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

Index: third_party/WebKit/Source/core/css/CSSKeyframesRule.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSKeyframesRule.cpp b/third_party/WebKit/Source/core/css/CSSKeyframesRule.cpp
index 9dbadee8a74fe5b3deb84c399a559a2ae3bfcb32..031348f4e76eda2fe7008df83de7b6079d49db97 100644
--- a/third_party/WebKit/Source/core/css/CSSKeyframesRule.cpp
+++ b/third_party/WebKit/Source/core/css/CSSKeyframesRule.cpp
@@ -29,6 +29,8 @@
 #include "core/css/CSSRuleList.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/parser/CSSParser.h"
+#include "core/css/serializer/CSSDeserializeStream.h"
+#include "core/css/serializer/CSSSerializeStream.h"
 #include "core/frame/UseCounter.h"
 #include "wtf/text/StringBuilder.h"
 
@@ -84,6 +86,35 @@ int StyleRuleKeyframes::findKeyframeIndex(const String& key) const
     return -1;
 }
 
+void StyleRuleKeyframes::serializeAfterDispatch(CSSSerializeStream* stream) const
+{
+    stream->writeUnsigned(m_keyframes.size());
+    for (const RefPtrWillBeMember<StyleRuleKeyframe>& keyframe : m_keyframes)
+        keyframe->serialize(stream);
+
+    stream->writeAtomicString(m_name);
+    stream->writeUnsigned(m_version);
+    stream->writeBool(m_isPrefixed);
+}
+
+PassRefPtrWillBeRawPtr<StyleRuleKeyframes> StyleRuleKeyframes::deserializeAfterDispatch(CSSDeserializeStream* stream)
+{
+    RefPtrWillBeRawPtr<StyleRuleKeyframes> rule = adoptRefWillBeNoop(new StyleRuleKeyframes());
+    
+    unsigned size = stream->readUnsigned();
+    rule->m_keyframes.reserveCapacity(size);
+    for (unsigned i = 0; i < size; ++ i) {
+        RefPtrWillBeRawPtr<StyleRuleBase> keyframeRule = StyleRuleBase::deserialize(stream);
+        rule->m_keyframes.append(toStyleRuleKeyframe(keyframeRule.get()));
+    }
+
+    rule->m_name = stream->readAtomicString();
+    rule->m_version = stream->readUnsigned();
+    rule->m_isPrefixed = stream->readBool();
+
+    return rule.release();
+}
+
 DEFINE_TRACE_AFTER_DISPATCH(StyleRuleKeyframes)
 {
     visitor->trace(m_keyframes);