[wasm] Introduce WasmSharedModuleData and refactor other objects

src/runtime/runtime-test.cc

 // Copyright 2014 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.
 
 #include "src/runtime/runtime-utils.h"
 
 #include <memory>
 
 #include "src/arguments.h"
 #include "src/compiler-dispatcher/optimizing-compile-dispatcher.h"
@@ skipping 724 matching lines @@
   CHECK(Type::Is##Type(args[index]));                   \
   Handle<Type> name = args.at<Type>(index);
 
 // Take a compiled wasm module, serialize it and copy the buffer into an array
 // buffer, which is then returned.
 RUNTIME_FUNCTION(Runtime_SerializeWasmModule) {
   HandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED_2(WasmModuleObject, module_obj, 0);
 
-  Handle<WasmCompiledModule> orig = handle(module_obj->get_compiled_module());
+  Handle<WasmCompiledModule> orig(module_obj->compiled_module());
   std::unique_ptr<ScriptData> data =
       WasmCompiledModuleSerializer::SerializeWasmModule(isolate, orig);
   void* buff = isolate->array_buffer_allocator()->Allocate(data->length());
   Handle<JSArrayBuffer> ret = isolate->factory()->NewJSArrayBuffer();
   JSArrayBuffer::Setup(ret, isolate, false, buff, data->length());
   memcpy(buff, data->data(), data->length());
   return *ret;
 }
 
 // Take an array buffer and attempt to reconstruct a compiled wasm module.
@@ skipping 54 matching lines @@
 RUNTIME_FUNCTION(Runtime_ValidateWasmOrphanedInstance) {
   HandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED_2(WasmInstanceObject, instance, 0);
   wasm::testing::ValidateOrphanedInstance(isolate, instance);
   return isolate->heap()->ToBoolean(true);
 }
 
 }  // namespace internal
 }  // namespace v8