[Experimental] CSSSerializer Proof-of-concept

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

Index: third_party/WebKit/Source/core/css/StyleRuleKeyframe.cpp
diff --git a/third_party/WebKit/Source/core/css/StyleRuleKeyframe.cpp b/third_party/WebKit/Source/core/css/StyleRuleKeyframe.cpp
index c49fdd6fca11d34cd65cb7d8ac1f8c0f81ec3b1f..53ed3ebf9246bcb2b491416d689bdcb17e80c3d6 100644
--- a/third_party/WebKit/Source/core/css/StyleRuleKeyframe.cpp
+++ b/third_party/WebKit/Source/core/css/StyleRuleKeyframe.cpp
@@ -6,14 +6,16 @@
 
 #include "core/css/StylePropertySet.h"
 #include "core/css/parser/CSSParser.h"
+#include "core/css/serializer/CSSDeserializeStream.h"
+#include "core/css/serializer/CSSSerializeStream.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 StyleRuleKeyframe::StyleRuleKeyframe(PassOwnPtr<Vector<double>> keys, PassRefPtrWillBeRawPtr<StylePropertySet> properties)
-: StyleRuleBase(Keyframe)
-, m_properties(properties)
-, m_keys(*keys)
+    : StyleRuleBase(Keyframe)
+    , m_properties(properties)
+    , m_keys(*keys)
 {
 }
 
@@ -69,6 +71,27 @@ String StyleRuleKeyframe::cssText() const
     return result.toString();
 }
 
+void StyleRuleKeyframe::serializeAfterDispatch(CSSSerializeStream* stream) const
+{
+    m_properties->serialize(stream);
+    stream->writeUnsigned(m_keys.size());
+    for (double key : m_keys)
+        stream->writeDouble(key);    
+}
+
+PassRefPtrWillBeRawPtr<StyleRuleKeyframe> StyleRuleKeyframe::deserializeAfterDispatch(CSSDeserializeStream* stream)
+{
+    RefPtrWillBeRawPtr<StylePropertySet> properties = ImmutableStylePropertySet::deserialize(stream);
+
+    unsigned size = stream->readUnsigned();
+    OwnPtr<Vector<double>> keys = adoptPtr(new Vector<double>());
+    keys->reserveCapacity(size);
+    for (unsigned i = 0; i < size; ++ i)
+        keys->append(stream->readDouble());
+
+    return create(keys.release(), properties);
+}
+
 DEFINE_TRACE_AFTER_DISPATCH(StyleRuleKeyframe)
 {
     visitor->trace(m_properties);