perf: use v8::String::NewFromUtf8Literal in ToV8() gin converter (#44501)

shell/common/gin_converters/std_converter.h

@@ -70,12 +70,10 @@ struct Converter<char[]> {
   }
 };
 
-template <size_t n>
-struct Converter<char[n]> {
-  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate, const char* val) {
-    return v8::String::NewFromUtf8(isolate, val, v8::NewStringType::kNormal,
-                                   n - 1)
-        .ToLocalChecked();
+template <size_t N>
+struct Converter<char[N]> {
+  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate, const char (&val)[N]) {
+    return v8::String::NewFromUtf8Literal(isolate, val);
   }
 };