refactor(core): Move LifeCycle functionality into ApplicationRef.

BREAKING CHANGE:

Before: constructor(@Inject(LifeCycle) lifecycle) { lifecycle.tick(); }
After: constructor(@Inject(ApplicationRef) appRef) { appRef.tick(); }

Closes #5008

modules/angular2/test/core/application_ref_spec.ts

@@ -0,0 +1,30 @@
+import {
+  ddescribe,
+  describe,
+  it,
+  iit,
+  xit,
+  expect,
+  beforeEach,
+  afterEach,
+  el,
+  AsyncTestCompleter,
+  fakeAsync,
+  tick,
+  inject
+} from 'angular2/testing_internal';
+import {SpyChangeDetector} from './spies';
+import {ApplicationRef_} from "angular2/src/core/application_ref";
+import {ChangeDetectorRef_} from "angular2/src/core/change_detection/change_detector_ref";
+
+export function main() {
+  describe("ApplicationRef", () => {
+    it("should throw when reentering tick", () => {
+      var cd = <any>new SpyChangeDetector();
+      var ref = new ApplicationRef_(null, null, null);
+      ref.registerChangeDetector(new ChangeDetectorRef_(cd));
+      cd.spy("detectChanges").andCallFake(() => ref.tick());
+      expect(() => ref.tick()).toThrowError("ApplicationRef.tick is called recursively");
+    });
+  });
+}

modules/angular2/test/core/application_spec.ts

@@ -17,7 +17,7 @@ import {Component, Directive, View} from 'angular2/core';
 import {DOM} from 'angular2/src/core/dom/dom_adapter';
 import {DOCUMENT} from 'angular2/render';
 import {PromiseWrapper} from 'angular2/src/core/facade/async';
-import {provide, Inject, Injector, LifeCycle} from 'angular2/core';
+import {provide, Inject, Injector} from 'angular2/core';
 import {ExceptionHandler} from 'angular2/src/core/facade/exceptions';
 import {Testability, TestabilityRegistry} from 'angular2/src/core/testability/testability';
 import {IS_DART} from '../platform';
@@ -54,9 +54,9 @@ class HelloRootCmp3 {
 @Component({selector: 'hello-app'})
 @View({template: ''})
 class HelloRootCmp4 {
-  lc;
+  appRef;
 
-  constructor(@Inject(LifeCycle) lc) { this.lc = lc; }
+  constructor(@Inject(ApplicationRef) appRef) { this.appRef = appRef; }
 }
 
 @Component({selector: 'hello-app'})
@@ -179,7 +179,7 @@ export function main() {
          var refPromise = bootstrap(HelloRootCmp4, testProviders);
 
          refPromise.then((ref) => {
-           expect(ref.hostComponent.lc).toBe((<ComponentRef_>ref).injector.get(LifeCycle));
+           expect(ref.hostComponent.appRef).toBe((<ComponentRef_>ref).injector.get(ApplicationRef));
            async.done();
          });
        }));

modules/angular2/test/core/life_cycle/life_cycle_spec.ts

@@ -1,29 +0,0 @@
-import {
-  ddescribe,
-  describe,
-  it,
-  iit,
-  xit,
-  expect,
-  beforeEach,
-  afterEach,
-  el,
-  AsyncTestCompleter,
-  fakeAsync,
-  tick,
-  inject
-} from 'angular2/testing_internal';
-import {SpyChangeDetector} from '../spies';
-import {LifeCycle_} from "angular2/src/core/life_cycle/life_cycle";
-
-export function main() {
-  describe("LifeCycle", () => {
-    it("should throw when reentering tick", () => {
-      var cd = <any>new SpyChangeDetector();
-      var lc = new LifeCycle_(cd, false);
-
-      cd.spy("detectChanges").andCallFake(() => lc.tick());
-      expect(() => lc.tick()).toThrowError("LifeCycle.tick is called recursively");
-    });
-  });
-}

modules/angular2/test/public_api_spec.ts

@@ -102,6 +102,7 @@ var NG_API = [
   'ApplicationRef.dispose()',
   'ApplicationRef.registerBootstrapListener()',
   'ApplicationRef.registerDisposeListener()',
+  'ApplicationRef.tick()',
   */
   'AsyncPipe',
   'AsyncPipe.onDestroy()',
@@ -610,12 +611,6 @@ var NG_API = [
   'KeyValueDiffers',
   'KeyValueDiffers.factories',
   'KeyValueDiffers.find()',
-  'LifeCycle',  // TODO: replace with ApplicationRef
-                /*
-                 Abstract methods
-                'LifeCycle.registerWith()',
-                'LifeCycle.tick()',
-                */
   'LowerCasePipe',
   'LowerCasePipe.transform()',
   'NG_VALIDATORS',

modules/angular2/test/tools/spies.dart

@@ -1,11 +1,13 @@
 import 'package:angular2/testing_internal.dart' show SpyObject;
-import 'package:angular2/core.dart' show LifeCycle, Injector, bind;
+import 'package:angular2/core.dart' show Injector, bind;
+import 'package:angular2/src/core/application_ref.dart' show ApplicationRef;
 import 'package:angular2/src/core/linker/dynamic_component_loader.dart'
     show ComponentRef_;
 import 'dart:js';
 
 @proxy
-class SpyLifeCycle extends SpyObject implements LifeCycle {
+class SpyApplicationRef extends SpyObject implements ApplicationRef {
+  tick() {}
   noSuchMethod(m) => super.noSuchMethod(m);
 }
 
@@ -15,7 +17,7 @@ class SpyComponentRef extends SpyObject implements ComponentRef_ {
 
   SpyComponentRef() {
     this.injector =
-        Injector.resolveAndCreate([bind(LifeCycle).toClass(SpyLifeCycle)]);
+        Injector.resolveAndCreate([bind(ApplicationRef).toClass(SpyApplicationRef)]);
   }
 
   noSuchMethod(m) => super.noSuchMethod(m);

modules/angular2/test/tools/spies.ts

@@ -1,13 +1,19 @@
 import {SpyObject} from 'angular2/testing_internal';
-import {LifeCycle, Injector, provide} from 'angular2/angular2';
+import {Injector, provide} from 'angular2/angular2';
 import {ComponentRef} from 'angular2/src/core/linker/dynamic_component_loader';
 import {global} from 'angular2/src/core/facade/lang';
+import {ApplicationRef, ApplicationRef_} from 'angular2/src/core/application_ref';
+
+export class SpyApplicationRef extends SpyObject {
+  constructor() { super(ApplicationRef_); }
+}
 
 export class SpyComponentRef extends SpyObject {
   injector;
   constructor() {
     super();
-    this.injector = Injector.resolveAndCreate([provide(LifeCycle, {useValue: {tick: () => {}}})]);
+    this.injector =
+        Injector.resolveAndCreate([provide(ApplicationRef, {useClass: SpyApplicationRef})]);
   }
 }