Blink-compatible serialization of SharedArrayBuffer.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index ccafff1c805d23aedb22d6950fd8bab1a480c4d1..9a0cf6dbfaeb71d3a5cab414b6540bd28cdbc208 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -2871,6 +2871,12 @@ void ValueSerializer::TransferArrayBuffer(uint32_t transfer_id,
                                            Utils::OpenHandle(*array_buffer));
 }
 
+void ValueSerializer::TransferSharedArrayBuffer(
+    uint32_t transfer_id, Local<SharedArrayBuffer> shared_array_buffer) {
+  private_->serializer.TransferArrayBuffer(
+      transfer_id, Utils::OpenHandle(*shared_array_buffer));
+}
+
 struct ValueDeserializer::PrivateData {
   PrivateData(i::Isolate* i, i::Vector<const uint8_t> data)
       : isolate(i), deserializer(i, data) {}
@@ -2941,6 +2947,12 @@ void ValueDeserializer::TransferArrayBuffer(uint32_t transfer_id,
                                              Utils::OpenHandle(*array_buffer));
 }
 
+void ValueDeserializer::TransferSharedArrayBuffer(
+    uint32_t transfer_id, Local<SharedArrayBuffer> shared_array_buffer) {
+  private_->deserializer.TransferArrayBuffer(
+      transfer_id, Utils::OpenHandle(*shared_array_buffer));
+}
+
 // --- D a t a ---
 
 bool Value::FullIsUndefined() const {