Add spread call micro-benchmarks.

Taken from http://kpdecker.github.io/six-speed/

Review-Url: https://codereview.chromium.org/2467483002
Cr-Commit-Position: refs/heads/master@{#40837}

test/js-perf-test/SixSpeed.json

+{
+  "name": "SixSpeed",
+  "run_count": 3,
+  "run_count_arm": 1,
+  "run_count_arm64": 1,
+  "timeout": 120,
+  "units": "score",
+  "total": true,
+  "resources": ["base.js"],
+  "tests": [
+    {
+      "name": "Spread",
+      "path": ["SixSpeed/spread"],
+      "main": "run.js",
+      "resources": [
+        "run.js",
+        "spread.js"
+      ],
+      "results_regexp": "^%s\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Spread-ES5"},
+        {"name": "Spread-Traceur"},
+        {"name": "Spread-ES6"}
+      ]
+    }
+  ]
+}

test/js-perf-test/SixSpeed/LICENSE.sixspeed

+Tests included here are based on build output generated by the six-speed
+benchmark suite.
+
+Copyright (c) 2015 Kevin Decker
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

test/js-perf-test/SixSpeed/spread/run.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+load('../../base.js');
+load('spread.js');
+
+var success = true;
+
+function PrintResult(name, result) {
+  print(name + '(Score): ' + result);
+}
+
+
+function PrintError(name, error) {
+  PrintResult(name, error);
+  success = false;
+}
+
+
+BenchmarkSuite.config.doWarmup = undefined;
+BenchmarkSuite.config.doDeterministic = undefined;
+
+BenchmarkSuite.RunSuites({ NotifyResult: PrintResult,
+                           NotifyError: PrintError });

test/js-perf-test/SixSpeed/spread/spread.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This benchmark is based on the six-speed benchmark build output.
+// Copyright 2014 Kevin Decker <https://github.com/kpdecker/six-speed/>
+
+
+new BenchmarkSuite('Spread-ES5', [1000], [
+  new Benchmark('ES5', false, false, 0, ES5),
+]);
+
+new BenchmarkSuite('Spread-Traceur', [1000], [
+  new Benchmark('Traceur', false, false, 0, Traceur),
+]);
+
+new BenchmarkSuite('Spread-ES6', [1000], [
+  new Benchmark('ES6', false, false, 0, ES6),
+]);
+
+// ----------------------------------------------------------------------------
+// Benchmark: ES5
+// ----------------------------------------------------------------------------
+
+function ES5() {
+  "use strict";
+  return Math.max.apply(Math, [1,2,3]);
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: Traceur
+// ----------------------------------------------------------------------------
+
+function checkObjectCoercible(v) {
+  "use strict";
+  if (v === null || v === undefined) {
+    throw new $TypeError('Value cannot be converted to an Object');
+  }
+  return v;
+}
+
+function spread() {
+  "use strict";
+  var rv = [],
+      j = 0,
+      iterResult;
+  for (var i = 0; i < arguments.length; i++) {
+    var valueToSpread = checkObjectCoercible(arguments[i]);
+    if (typeof valueToSpread[Symbol.iterator] !== 'function') {
+      throw new TypeError('Cannot spread non-iterable object.');
+    }
+    var iter = valueToSpread[Symbol.iterator]();
+    while (!(iterResult = iter.next()).done) {
+      rv[j++] = iterResult.value;
+    }
+  }
+  return rv;
+}
+
+function Traceur() {
+  "use strict";
+  var $__0;
+  return ($__0 = Math).max.apply($__0, spread([1, 2, 3]));
+}
+
+// ----------------------------------------------------------------------------
+// Benchmark: ES6
+// ----------------------------------------------------------------------------
+
+function ES6() {
+  "use strict";
+  return Math.max(...[1,2,3]);
+}