Move V8-based serialization into dedicated classes and add support for ArrayBuffer transfer.

third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp

Index: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
index b2c7ce23d92aeb982d322863cf6487ea9a521718..e463aaaa9f8b5117382937e138bdf43965c6053e 100644
--- a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
@@ -42,6 +42,8 @@
 #include "bindings/core/v8/V8MessagePort.h"
 #include "bindings/core/v8/V8OffscreenCanvas.h"
 #include "bindings/core/v8/V8SharedArrayBuffer.h"
+#include "bindings/core/v8/serialization/V8ScriptValueDeserializer.h"
+#include "bindings/core/v8/serialization/V8ScriptValueSerializer.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMSharedArrayBuffer.h"
 #include "core/dom/ExceptionCode.h"
@@ -62,6 +64,12 @@ namespace blink {
 
 PassRefPtr<SerializedScriptValue> SerializedScriptValue::serialize(v8::Isolate* isolate, v8::Local<v8::Value> value, Transferables* transferables, WebBlobInfoArray* blobInfo, ExceptionState& exception)
 {
+    // TODO(jbroman): Move the V8-based structured clone invocation into
+    // SerializedScriptValueFactory.
+    if (RuntimeEnabledFeatures::v8BasedStructuredCloneEnabled()) {
+        V8ScriptValueSerializer serializer(ScriptState::current(isolate));
+        return serializer.serialize(value, transferables, exception);
+    }
     return SerializedScriptValueFactory::instance().create(isolate, value, transferables, blobInfo, exception);
 }
 
@@ -270,6 +278,12 @@ v8::Local<v8::Value> SerializedScriptValue::deserialize(MessagePortArray* messag
 
 v8::Local<v8::Value> SerializedScriptValue::deserialize(v8::Isolate* isolate, MessagePortArray* messagePorts, const WebBlobInfoArray* blobInfo)
 {
+    // TODO(jbroman): Move the V8-based structured clone invocation into
+    // SerializedScriptValueFactory.
+    if (RuntimeEnabledFeatures::v8BasedStructuredCloneEnabled()) {
+        V8ScriptValueDeserializer deserializer(ScriptState::current(isolate), this);
+        return deserializer.deserialize();
+    }
     return SerializedScriptValueFactory::instance().deserialize(this, isolate, messagePorts, blobInfo);
 }