[wasm] instantiate expressed in terms of compile

src/runtime/runtime-test.cc

Index: src/runtime/runtime-test.cc
diff --git a/src/runtime/runtime-test.cc b/src/runtime/runtime-test.cc
index 4574b5103e13b16101106bf17e1f6a3f99de33e7..716826c2b33e0cf2f7a3ec6f431c60ed8b4891a7 100644
--- a/src/runtime/runtime-test.cc
+++ b/src/runtime/runtime-test.cc
@@ -111,6 +111,21 @@ bool WasmInstantiateOverride(const v8::FunctionCallbackInfo<v8::Value>& args) {
   return true;
 }
 
+bool GetWasmFromArray(const v8::FunctionCallbackInfo<v8::Value>& args) {
+  CHECK(args.Length() == 1);
+  v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
+  v8::Local<v8::Value> module =
+      v8::Local<v8::Object>::Cast(args[0])->Get(context, 0).ToLocalChecked();
+
+  v8::Local<v8::Promise::Resolver> resolver =
+      v8::Promise::Resolver::New(context).ToLocalChecked();
+  args.GetReturnValue().Set(resolver->GetPromise());
+  USE(resolver->Resolve(context, module));
+  return true;
+}
+
+bool NoExtension(const v8::FunctionCallbackInfo<v8::Value>&) { return false; }
+
 }  // namespace
 
 namespace v8 {
@@ -452,6 +467,16 @@ RUNTIME_FUNCTION(Runtime_ClearFunctionFeedback) {
   return isolate->heap()->undefined_value();
 }
 
+RUNTIME_FUNCTION(Runtime_SetWasmCompileFromPromiseOverload) {
+  isolate->set_wasm_compile_callback(GetWasmFromArray);
+  return isolate->heap()->undefined_value();
+}
+
+RUNTIME_FUNCTION(Runtime_ResetWasmOverloads) {
+  isolate->set_wasm_compile_callback(NoExtension);
+  return isolate->heap()->undefined_value();
+}
+
 RUNTIME_FUNCTION(Runtime_CheckWasmWrapperElision) {
   // This only supports the case where the function being exported
   // calls an intermediate function, and the intermediate function
@@ -1007,5 +1032,6 @@ RUNTIME_FUNCTION(Runtime_DecrementWaitCount) {
   isolate->DecrementWaitCountForTesting();
   return isolate->heap()->undefined_value();
 }
+
 }  // namespace internal
 }  // namespace v8