v8: drop v8::FunctionCallbackInfo<T>::NewTarget()

Remove the new method that was introduced in the back-port of
v8/v8@306c412c ("[api] Expose FunctionCallbackInfo::NewTarget")
so that the meat of the patch can land in a patch release.

This commit can be reverted again in the next minor release.

Fixes: nodejs#9288
PR-URL: nodejs#9293
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

deps/v8/include/v8.h

@@ -3177,7 +3177,6 @@ class FunctionCallbackInfo {
                           Local<Function> Callee() const);
   V8_INLINE Local<Object> This() const;
   V8_INLINE Local<Object> Holder() const;
-  V8_INLINE Local<Value> NewTarget() const;
   V8_INLINE bool IsConstructCall() const;
   V8_INLINE Local<Value> Data() const;
   V8_INLINE Isolate* GetIsolate() const;
@@ -7904,12 +7903,6 @@ Local<Object> FunctionCallbackInfo<T>::Holder() const {
       &implicit_args_[kHolderIndex]));
 }
 
-template<typename T>
-Local<Value> FunctionCallbackInfo<T>::NewTarget() const {
-  return Local<Value>(
-      reinterpret_cast<Value*>(&implicit_args_[kNewTargetIndex]));
-}
-
 template<typename T>
 Local<Value> FunctionCallbackInfo<T>::Data() const {
   return Local<Value>(reinterpret_cast<Value*>(&implicit_args_[kDataIndex]));

deps/v8/test/cctest/test-api.cc

@@ -13350,43 +13350,6 @@ THREADED_TEST(IsConstructCall) {
   CHECK(value->BooleanValue(context.local()).FromJust());
 }
 
-static void NewTargetHandler(const v8::FunctionCallbackInfo<v8::Value>& args) {
-  ApiTestFuzzer::Fuzz();
-  args.GetReturnValue().Set(args.NewTarget());
-}
-
-THREADED_TEST(NewTargetHandler) {
-  v8::Isolate* isolate = CcTest::isolate();
-  v8::HandleScope scope(isolate);
-
-  // Function template with call handler.
-  Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(isolate);
-  templ->SetCallHandler(NewTargetHandler);
-
-  LocalContext context;
-
-  Local<Function> function =
-      templ->GetFunction(context.local()).ToLocalChecked();
-  CHECK(context->Global()
-            ->Set(context.local(), v8_str("f"), function)
-            .FromJust());
-  Local<Value> value = CompileRun("f()");
-  CHECK(value->IsUndefined());
-  value = CompileRun("new f()");
-  CHECK(value->IsFunction());
-  CHECK(value == function);
-  Local<Value> subclass = CompileRun("var g = class extends f { }; g");
-  CHECK(subclass->IsFunction());
-  value = CompileRun("new g()");
-  CHECK(value->IsFunction());
-  CHECK(value == subclass);
-  value = CompileRun("Reflect.construct(f, [], Array)");
-  CHECK(value->IsFunction());
-  CHECK(value ==
-        context->Global()
-            ->Get(context.local(), v8_str("Array"))
-            .ToLocalChecked());
-}
 
 THREADED_TEST(ObjectProtoToString) {
   v8::Isolate* isolate = CcTest::isolate();