Reland of [wasm] Transferrable modules

src/value-serializer.h

Index: src/value-serializer.h
diff --git a/src/value-serializer.h b/src/value-serializer.h
index 7961b2ea0b6a78375b8975945fa740cc3de8b06d..ef424698d0e59d10323d4f5a136ffcabb5710881 100644
--- a/src/value-serializer.h
+++ b/src/value-serializer.h
@@ -31,6 +31,7 @@
 class Object;
 class Oddball;
 class Smi;
+class WasmModuleObject;
 
 enum class SerializationTag : uint8_t;
 
@@ -218,6 +219,9 @@
   bool ReadUint64(uint64_t* value) WARN_UNUSED_RESULT;
   bool ReadDouble(double* value) WARN_UNUSED_RESULT;
   bool ReadRawBytes(size_t length, const void** data) WARN_UNUSED_RESULT;
+  void set_expect_inline_wasm(bool expect_inline_wasm) {
+    expect_inline_wasm_ = expect_inline_wasm;
+  }
 
  private:
   // Reading the wire format.
@@ -230,6 +234,7 @@
   Maybe<T> ReadZigZag() WARN_UNUSED_RESULT;
   Maybe<double> ReadDouble() WARN_UNUSED_RESULT;
   Maybe<Vector<const uint8_t>> ReadRawBytes(int size) WARN_UNUSED_RESULT;
+  bool expect_inline_wasm() const { return expect_inline_wasm_; }
 
   // Reads a string if it matches the one provided.
   // Returns true if this was the case. Otherwise, nothing is consumed.
@@ -263,6 +268,7 @@
   MaybeHandle<JSArrayBufferView> ReadJSArrayBufferView(
       Handle<JSArrayBuffer> buffer) WARN_UNUSED_RESULT;
   MaybeHandle<JSObject> ReadWasmModule() WARN_UNUSED_RESULT;
+  MaybeHandle<JSObject> ReadWasmModuleTransfer() WARN_UNUSED_RESULT;
   MaybeHandle<JSObject> ReadHostObject() WARN_UNUSED_RESULT;
 
   /*
@@ -285,6 +291,7 @@
   PretenureFlag pretenure_;
   uint32_t version_ = 0;
   uint32_t next_id_ = 0;
+  bool expect_inline_wasm_ = false;
 
   // Always global handles.
   Handle<FixedArray> id_map_;