[js-perf-test] add microbenchmarks for Object.values(), Object.entries()

test/js-perf-test/Object/ObjectTests.json

Index: test/js-perf-test/Object/ObjectTests.json
diff --git a/test/js-perf-test/Object/ObjectTests.json b/test/js-perf-test/Object/ObjectTests.json
new file mode 100644
index 0000000000000000000000000000000000000000..1c0e5ed2ee879e975cd77f60d0e52694409f299e
--- /dev/null
+++ b/test/js-perf-test/Object/ObjectTests.json
@@ -0,0 +1,31 @@
+{
+  "name": "ObjectTests",
+  "run_count": 5,
+  "run_count_android_arm": 3,
+  "run_count_android_arm64": 3,
+  "timeout": 120,
+  "units": "score",
+  "total": true,
+  "resources": ["base.js"],
+  "tests": [
+    {
+      "name": "Object",
+      "path": ["."],
+      "main": "run.js",
+      "flags": ["--harmony"],
+      "resources": [
+        "assign.js",
+        "values.js",
+        "entries.js"
+      ],
+      "results_regexp": "^%s\\-Object\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Assign"},
+        {"name": "Entries"},
+        {"name": "EntriesMegamorphic"},
+        {"name": "Values"},
+        {"name": "ValuesMegamorphic"}
+      ]
+    }
+  ]
+}