refactor(benchmarks): add index_aot to support AoT bootstrap. (#12105)

Note: This only make sure it can compile the AoT version, but does not yet use it in e2e tests.

modules/benchmarks/src/tree/ng2_switch/init.ts

@@ -0,0 +1,32 @@
+import {ApplicationRef, NgModuleRef} from '@angular/core';
+
+import {bindAction, profile} from '../../util';
+import {buildTree, emptyTree} from '../util';
+
+import {AppModule, TreeComponent} from './tree';
+
+export function init(moduleRef: NgModuleRef<AppModule>) {
+  var tree: TreeComponent;
+  var appRef: ApplicationRef;
+
+  function destroyDom() {
+    tree.data = emptyTree;
+    appRef.tick();
+  }
+
+  function createDom() {
+    tree.data = buildTree();
+    appRef.tick();
+  }
+
+  function noop() {}
+
+  const injector = moduleRef.injector;
+  appRef = injector.get(ApplicationRef);
+
+  tree = appRef.components[0].instance;
+  bindAction('#destroyDom', destroyDom);
+  bindAction('#createDom', createDom);
+  bindAction('#updateDomProfile', profile(createDom, noop, 'update'));
+  bindAction('#createDomProfile', profile(createDom, destroyDom, 'create'));
+}