Adding Angular and dependent packages for testing

third_party/pkg/angular/perf/invoke_perf.dart

+library angular.perf.invoke;
+
+import '_perf.dart';
+import 'dart:async';
+
+main() {
+  var handleDirect = (a, b, c) => a;
+  var wrap = new Wrap();
+  var handleDirectNamed = ({a, b, c}) => a;
+  var handleIndirect = (e) => e.a;
+  var streamC = new StreamController(sync:true);
+  var stream = streamC.stream..listen(handleIndirect);
+
+  time('direct', () => handleDirect(1, 2, 3) );
+  time('.call', () => wrap(1, 2, 3) );
+  time('directNamed', () => handleDirectNamed(a:1, b:2, c:3) );
+  time('indirect', () => handleIndirect(new Container(1, 2, 3)) );
+  time('stream', () => streamC.add(new Container(1, 2, 3)));
+}
+
+class Container {
+  var a;
+  var b;
+  var c;
+
+  Container(this.a, this.b, this.c);
+}
+
+class Wrap {
+  call(a, b, c) => a + b + c;
+}