[wasm] Add getter for shared_ptr to NativeModule

This was done via {managed_native_module()->get()}. Add a simple getter
for that.

R=ahaas@chromium.org

Bug: v8:8562
Change-Id: I8e461a8e16b618abdb772098fad3a6b721d54902
Reviewed-on: https://chromium-review.googlesource.com/c/1371564Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58156}

src/api.cc

@@ -7390,7 +7390,7 @@ WasmModuleObject::GetTransferrableModule() {
   if (i::FLAG_wasm_shared_code) {
     i::Handle<i::WasmModuleObject> obj =
         i::Handle<i::WasmModuleObject>::cast(Utils::OpenHandle(this));
-    return TransferrableModule(obj->managed_native_module()->get());
+    return TransferrableModule(obj->shared_native_module());
   } else {
     CompiledWasmModule compiled_module = GetCompiledModule();
     OwnedBuffer serialized_module = compiled_module.Serialize();
@@ -7407,7 +7407,7 @@ WasmModuleObject::GetTransferrableModule() {
 CompiledWasmModule WasmModuleObject::GetCompiledModule() {
   i::Handle<i::WasmModuleObject> obj =
       i::Handle<i::WasmModuleObject>::cast(Utils::OpenHandle(this));
-  return Utils::Convert(obj->managed_native_module()->get());
+  return Utils::Convert(obj->shared_native_module());
 }
 
 MaybeLocal<WasmModuleObject> WasmModuleObject::FromTransferrableModule(

src/wasm/wasm-engine.cc

@@ -237,7 +237,7 @@ bool WasmEngine::CompileFunction(Isolate* isolate, NativeModule* native_module,
 
 std::shared_ptr<NativeModule> WasmEngine::ExportNativeModule(
     Handle<WasmModuleObject> module_object) {
-  return module_object->managed_native_module()->get();
+  return module_object->shared_native_module();
 }
 
 Handle<WasmModuleObject> WasmEngine::ImportNativeModule(

src/wasm/wasm-js.cc

@@ -65,8 +65,7 @@ class WasmStreaming::WasmStreamingImpl {
     // Local<WasmModuleObject> here.
     streaming_decoder_->SetModuleCompiledCallback(
         [callback, data](i::Handle<i::WasmModuleObject> module_object) {
-          callback(data, Utils::Convert(
-                             module_object->managed_native_module()->get()));
+          callback(data, Utils::Convert(module_object->shared_native_module()));
         });
   }
 

src/wasm/wasm-objects-inl.h

@@ -80,6 +80,10 @@ OPTIONAL_ACCESSORS2(WasmModuleObject, breakpoint_infos, FixedArray,
 wasm::NativeModule* WasmModuleObject::native_module() const {
   return managed_native_module()->raw();
 }
+std::shared_ptr<wasm::NativeModule> WasmModuleObject::shared_native_module()
+    const {
+  return managed_native_module()->get();
+}
 const wasm::WasmModule* WasmModuleObject::module() const {
   // TODO(clemensh): Remove this helper (inline in callers).
   return native_module()->module();

src/wasm/wasm-objects.h

@@ -117,6 +117,7 @@ class WasmModuleObject : public JSObject {
   DECL_OPTIONAL_ACCESSORS2(asm_js_offset_table, ByteArray)
   DECL_OPTIONAL_ACCESSORS2(breakpoint_infos, FixedArray)
   inline wasm::NativeModule* native_module() const;
+  inline std::shared_ptr<wasm::NativeModule> shared_native_module() const;
   inline const wasm::WasmModule* module() const;
   inline void reset_breakpoint_infos();
 

test/cctest/wasm/test-streaming-compilation.cc

@@ -101,7 +101,7 @@ class TestResolver : public CompilationResultResolver {
   void OnCompilationSucceeded(i::Handle<i::WasmModuleObject> module) override {
     *state_ = CompilationState::kFinished;
     if (!module.is_null()) {
-      *native_module_ = module->managed_native_module()->get();
+      *native_module_ = module->shared_native_module();
     }
   }
 

test/cctest/wasm/test-wasm-serialization.cc

@@ -305,7 +305,7 @@ void TestTransferrableWasmModules(bool should_share) {
         v8::Local<v8::WasmModuleObject>::Cast(
             v8::Utils::ToLocal(Handle<JSObject>::cast(module_object)));
     store.push_back(v8_module->GetTransferrableModule());
-    original_native_module = module_object->managed_native_module()->get();
+    original_native_module = module_object->shared_native_module();
   }
 
   {
@@ -320,7 +320,7 @@ void TestTransferrableWasmModules(bool should_share) {
       Handle<WasmModuleObject> module_object = Handle<WasmModuleObject>::cast(
           v8::Utils::OpenHandle(*transferred_module.ToLocalChecked()));
       std::shared_ptr<NativeModule> transferred_native_module =
-          module_object->managed_native_module()->get();
+          module_object->shared_native_module();
       bool is_sharing = (original_native_module == transferred_native_module);
       CHECK_EQ(should_share, is_sharing);
     }

test/cctest/wasm/test-wasm-shared-engine.cc

@@ -94,7 +94,7 @@ class SharedEngineIsolate {
   }
 
   SharedModule ExportInstance(Handle<WasmInstanceObject> instance) {
-    return instance->module_object()->managed_native_module()->get();
+    return instance->module_object()->shared_native_module();
   }
 
   int32_t Run(Handle<WasmInstanceObject> instance) {