[torque] Allow define javascript buitin with context only

We should allow the following code to compile
transitioning javascript builtin ProxyRevoke(context: Context): Undefined {...}
transitioning javascript builtin ProxyRevoke(implicit context: Context)(): Undefined {...}

Bug: v8:9007
Change-Id: I8729b4adc91e6a9fb49a50edf2974d84ec4e10ec
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1591343
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61218}

src/builtins/proxy-revoke.tq

@@ -8,9 +8,8 @@ namespace proxy {
 
   // Proxy Revocation Functions
   // https://tc39.github.io/ecma262/#sec-proxy-revocation-functions
-  // TODO(v8:9007) remove receiver in argument since we don't use it
   transitioning javascript builtin
-  ProxyRevoke(context: Context, receiver: Object): Undefined {
+  ProxyRevoke(implicit context: Context)(): Undefined {
     // 1. Let p be F.[[RevocableProxy]].
     const proxyObject: Object = context[PROXY_SLOT];
 

src/torque/declaration-visitor.cc

@@ -65,7 +65,7 @@ Builtin* DeclarationVisitor::CreateBuiltin(BuiltinDeclaration* decl,
   }
 
   if (javascript) {
-    if (signature.types().size() < 2 ||
+    if (signature.types().size() >= 2 &&
         !(signature.types()[1] ==
           Declarations::LookupGlobalType(OBJECT_TYPE_STRING))) {
       std::stringstream stream;

src/torque/implementation-visitor.cc

@@ -2719,8 +2719,9 @@ void ImplementationVisitor::GenerateBuiltinDefinitions(std::string& file_name) {
         assert(builtin->IsFixedArgsJavaScript());
         // FixedArg javascript builtins need to offer the parameter
         // count.
-        assert(builtin->parameter_names().size() >= 2);
-        new_contents_stream << ", " << (builtin->parameter_names().size() - 2);
+        int size = static_cast<int>(builtin->parameter_names().size());
+        assert(size >= 1);
+        new_contents_stream << ", " << (std::max(size - 2, 0));
         // And the receiver is explicitly declared.
         new_contents_stream << ", kReceiver";
         firstParameterIndex = 2;