[wasm] JS-API: enable WebAssembly.instantiate tests; fix LinkError

src/wasm/wasm-module.h

Index: src/wasm/wasm-module.h
diff --git a/src/wasm/wasm-module.h b/src/wasm/wasm-module.h
index ae53f736756f05297d78b32377fdfa57ea7a63ef..ff680711df636ce4b0faa52c59d1f344c79c3211 100644
--- a/src/wasm/wasm-module.h
+++ b/src/wasm/wasm-module.h
@@ -216,8 +216,9 @@ struct V8_EXPORT_PRIVATE WasmModule {
 
   // Creates a new instantiation of the module in the given isolate.
   static MaybeHandle<WasmInstanceObject> Instantiate(
-      Isolate* isolate, ErrorThrower* thrower, Handle<JSObject> wasm_module,
-      Handle<JSReceiver> ffi, Handle<JSArrayBuffer> memory);
+      Isolate* isolate, ErrorThrower* thrower,
+      Handle<WasmModuleObject> wasm_module, Handle<JSReceiver> ffi,
+      Handle<JSArrayBuffer> memory);
 
   MaybeHandle<WasmCompiledModule> CompileFunctions(
       Isolate* isolate, Handle<Managed<WasmModule>> module_wrapper,