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

src/wasm/wasm-module.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_WASM_MODULE_H_
 #define V8_WASM_MODULE_H_
 
 #include <memory>
 
 #include "src/api.h"
@@ skipping 198 matching lines @@
   std::unique_ptr<base::Semaphore> pending_tasks;
 
   WasmModule() : WasmModule(nullptr) {}
   WasmModule(Zone* owned_zone);
   ~WasmModule() {
     if (owned_zone) delete owned_zone;
   }
 
   // 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,
       ErrorThrower* thrower, const ModuleWireBytes& wire_bytes,
       Handle<Script> asm_js_script,
       Vector<const byte> asm_js_offset_table_bytes) const;
 };
 
 typedef Managed<WasmModule> WasmModuleWrapper;
 
@@ skipping 216 matching lines @@
 void ValidateModuleState(Isolate* isolate, Handle<WasmModuleObject> module_obj);
 void ValidateOrphanedInstance(Isolate* isolate,
                               Handle<WasmInstanceObject> instance);
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_H_