[js-perf-test] Fix spread set benchmark (again).

Change-Id: Iec5e6baff16260317f693188b01230ab0c2bb86f
Reviewed-on: https://chromium-review.googlesource.com/c/1278809Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Hai Dang <dhai@google.com>
Cr-Commit-Position: refs/heads/master@{#56603}

test/js-perf-test/ArrayLiteralInitialSpreadSmallSmiSet/run.js

@@ -109,7 +109,7 @@ function CreateBenchmark(name, f) {
 
 CreateBenchmark('ForOf', ForOf);
 CreateBenchmark('ForOfKeys', ForOfKeys);
-CreateBenchmark('ForOfKeys', ForOfValues);
+CreateBenchmark('ForOfValues', ForOfValues);
 CreateBenchmark('Spread', Spread);
 CreateBenchmark('SpreadKeys', SpreadKeys);
 CreateBenchmark('SpreadValues', SpreadValues);