refactor: Replace OpaqueToken with InjectionToken since it's removed from @angular/core

Author: ADjenkov

Diff for: tests/app/base.component.ts

@@ -1,5 +1,5 @@
-import { OpaqueToken, OnInit, OnDestroy } from "@angular/core";
-export const HOOKS_LOG = new OpaqueToken("Hooks log");
+import { InjectionToken, OnInit, OnDestroy } from "@angular/core";
+export const HOOKS_LOG = new InjectionToken("Hooks log");
 import { BehaviorSubject } from "rxjs/BehaviorSubject";
 
 export class BaseComponent implements OnInit, OnDestroy {

Diff for: tests/app/main.ts

@@ -24,7 +24,7 @@ import { SinglePageMain, routes as singlePageRoutes } from "./single-page-main.c
 import { LazyLoadMain, routes as lazyLoadRoutes } from "./lazy-load-main";
 import { FirstComponent } from "./first.component";
 import { SecondComponent } from "./second.component";
-import { OpaqueToken, NgModule, NgModuleFactoryLoader } from "@angular/core";
+import { InjectionToken, NgModule, NgModuleFactoryLoader } from "@angular/core";
 
 import { PageNavigationApp } from "./snippets/navigation/page-outlet";
 import { NavigationApp } from "./snippets/navigation/router-outlet";