fix(router): lazily-loaded modules should use loaded injectors instead of the root one

modules/@angular/router/src/router_config_loader.ts

@@ -6,12 +6,13 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {AppModuleFactoryLoader, AppModuleRef, ComponentFactoryResolver, OpaqueToken} from '@angular/core';
+import {AppModuleFactoryLoader, ComponentFactoryResolver, Injector, OpaqueToken} from '@angular/core';
 import {Observable} from 'rxjs/Observable';
 import {fromPromise} from 'rxjs/observable/fromPromise';
 
 import {Route} from './config';
 
+
 /**
  * @deprecated use Routes
  */
@@ -19,16 +20,19 @@ export const ROUTER_CONFIG = new OpaqueToken('ROUTER_CONFIG');
 export const ROUTES = new OpaqueToken('ROUTES');
 
 export class LoadedRouterConfig {
-  constructor(public routes: Route[], public factoryResolver: ComponentFactoryResolver) {}
+  constructor(
+      public routes: Route[], public injector: Injector,
+      public factoryResolver: ComponentFactoryResolver) {}
 }
 
 export class RouterConfigLoader {
   constructor(private loader: AppModuleFactoryLoader) {}
 
-  load(path: string): Observable<LoadedRouterConfig> {
+  load(parentInjector: Injector, path: string): Observable<LoadedRouterConfig> {
     return fromPromise(this.loader.load(path).then(r => {
-      const ref = r.create();
-      return new LoadedRouterConfig(ref.injector.get(ROUTES), ref.componentFactoryResolver);
+      const ref = r.create(parentInjector);
+      return new LoadedRouterConfig(
+          ref.injector.get(ROUTES), ref.injector, ref.componentFactoryResolver);
     }));
   }
 }