Implement micro-benchmark for Proxy call and construct

Bug: v8:6558, v8:6557
Change-Id: Ife58f78d00bfd53d6b904e838cbd028f039945b4
Reviewed-on: https://chromium-review.googlesource.com/567501
Commit-Queue: Maya Lekova <mslekova@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46588}

test/js-perf-test/Proxies/proxies.js

@@ -69,3 +69,85 @@ newBenchmark("ProxyConstructorWithProxy", {
     return (typeof result == 'function');
   }
 });
+
+// ----------------------------------------------------------------------------
+
+const SOME_NUMBER = 42;
+const SOME_OTHER_NUMBER = 1337;
+const ITERATIONS = 1000;
+
+newBenchmark("CallProxyWithoutTrap", {
+  setup() {
+    const target = () => { return SOME_NUMBER; };
+    p = new Proxy(target, {});
+  },
+  run() {
+    for(var i = 0; i < ITERATIONS; i++) {
+      p();
+    }
+  },
+  teardown() {
+    return (result === SOME_NUMBER);
+  }
+});
+
+// ----------------------------------------------------------------------------
+
+newBenchmark("CallProxyWithTrap", {
+  setup() {
+    const target = () => { return SOME_NUMBER; };
+    p = new Proxy(target, {
+      apply: function(target, thisArg, argumentsList) {
+        return SOME_OTHER_NUMBER;
+      }
+    });
+  },
+  run() {
+    for(var i = 0; i < ITERATIONS; i++) {
+      p();
+    }
+  },
+  teardown() {
+    return (result === SOME_OTHER_NUMBER);
+  }
+});
+
+var instance;
+class MyClass {
+};
+
+// ----------------------------------------------------------------------------
+
+newBenchmark("ConstructProxyWithoutTrap", {
+  setup() {
+    p = new Proxy(MyClass, {});
+  },
+  run() {
+    for(var i = 0; i < ITERATIONS; i++) {
+      instance = new p();
+    }
+  },
+  teardown() {
+    return instance instanceof MyClass;
+  }
+});
+
+// ----------------------------------------------------------------------------
+
+newBenchmark("ConstructProxyWithTrap", {
+  setup() {
+    p = new Proxy(Object, {
+      construct: function(target, argumentsList, newTarget) {
+        return new MyClass;
+      }
+    });
+  },
+  run() {
+    for(var i = 0; i < ITERATIONS; i++) {
+      instance = new p();
+    }
+  },
+  teardown() {
+    return instance instanceof MyClass;
+  }
+});