[js-perf-test] Add a basic async-await microbenchmark

test/js-perf-test/JSTests.json

Index: test/js-perf-test/JSTests.json
diff --git a/test/js-perf-test/JSTests.json b/test/js-perf-test/JSTests.json
index 8e15a194a32ade29660559b7c34b1528ad6253e5..b2a0671eac1dd4b29b46f6d33b7889c07e2be0b1 100644
--- a/test/js-perf-test/JSTests.json
+++ b/test/js-perf-test/JSTests.json
@@ -9,6 +9,18 @@
   "resources": ["base.js"],
   "tests": [
     {
+      "name": "AsyncAwait",
+      "path": ["AsyncAwait"],
+      "main": "run.js",

[Michael Achenbach, 2016/12/27 21:31:17]

This currently fails on the bots. It looks like it has three sub-items that need
to be specified here as well like in line 73 below.

BaselineES2017
BaselineNaivePromises
Native

[jgruber, 2017/01/09 08:42:22]

Thanks, got a CL for this at https://codereview.chromium.org/2619753002/.

+      "resources": [
+        "native.js",
+        "baseline-babel-es2017.js",
+        "baseline-naive-promises.js"
+      ],
+      "flags": ["--allow-natives-syntax"],
+      "results_regexp": "^%s\\-AsyncAwait\\(Score\\): (.+)$"
+    },
+    {
       "name": "Generators",
       "path": ["Generators"],
       "main": "run.js",