Update the Angular/DI tests to latest from github.

third_party/pkg/angular/lib/mock/test_injection.dart

Index: third_party/pkg/angular/lib/mock/test_injection.dart
diff --git a/third_party/pkg/angular/lib/mock/test_injection.dart b/third_party/pkg/angular/lib/mock/test_injection.dart
index ae1542d34ea327e55f236ee524904382ec7f23c2..2ca2b6c2c947446e96d14ff66b6c4e95734d475f 100644
--- a/third_party/pkg/angular/lib/mock/test_injection.dart
+++ b/third_party/pkg/angular/lib/mock/test_injection.dart
@@ -5,8 +5,9 @@ _SpecInjector _currentSpecInjector = null;
 class _SpecInjector {
   DynamicInjector moduleInjector;
   DynamicInjector injector;
-  List<Module> modules = [];
-  List<Function> initFns = [];
+  dynamic injectiorCreateLocation;
+  final modules = <Module>[];
+  final initFns = <Function>[];
 
   _SpecInjector() {
     var moduleModule = new Module()
@@ -23,12 +24,13 @@ class _SpecInjector {
   }
 
   module(fnOrModule, [declarationStack]) {
+    if (injectiorCreateLocation != null) {
+      throw "Injector already created at:\n$injectiorCreateLocation";
+    }
     try {
       if (fnOrModule is Function) {
         var initFn = moduleInjector.invoke(fnOrModule);
-        if (initFn is Function) {
-          initFns.add(initFn);
-        }
+        if (initFn is Function) initFns.add(initFn);
       } else if (fnOrModule is Module) {
         addModule(fnOrModule);
       } else {
@@ -42,6 +44,7 @@ class _SpecInjector {
   inject(Function fn, [declarationStack]) {
     try {
       if (injector == null) {
+        injectiorCreateLocation = declarationStack;
         injector = new DynamicInjector(modules: modules); // Implicit injection is disabled.
         initFns.forEach((fn) {
           injector.invoke(fn);
@@ -55,6 +58,7 @@ class _SpecInjector {
 
   reset() {
     injector = null;
+    injectiorCreateLocation = null;
   }
 }
 
@@ -81,12 +85,12 @@ class _SpecInjector {
  *
  */
 inject(Function fn) {
-  try { throw ''; } catch (e, stack) {
-    if (_currentSpecInjector == null ) {
-      return () => _currentSpecInjector.inject(fn, stack);
-    } else {
-      return _currentSpecInjector.inject(fn, stack);
-    }
+  try {
+    throw '';
+  } catch (e, stack) {
+    return _currentSpecInjector == null
+        ? () => _currentSpecInjector.inject(fn, stack)
+        : _currentSpecInjector.inject(fn, stack);
   }
 }
 
@@ -108,27 +112,28 @@ inject(Function fn) {
  *     });
  */
 module(fnOrModule) {
-  try { throw ''; } catch(e, stack) {
-    if (_currentSpecInjector == null ) {
-      return () => _currentSpecInjector.module(fnOrModule, stack);
-    } else {
-      return _currentSpecInjector.module(fnOrModule, stack);
-    }
+  try {
+    throw '';
+  } catch(e, stack) {
+    return _currentSpecInjector == null
+        ? () => _currentSpecInjector.module(fnOrModule, stack)
+        : _currentSpecInjector.module(fnOrModule, stack);
   }
 }
 
 /**
  * Call this method in your test harness [setUp] method to setup the injector.
  */
-setUpInjector() {
+void setUpInjector() {
   _currentSpecInjector = new _SpecInjector();
   _currentSpecInjector.module((Module m) {
-    m.install(new AngularModule());
-    m.install(new AngularMockModule());
+    m..install(new AngularModule())..install(new AngularMockModule());
   });
 }
 
 /**
  * Call this method in your test harness [tearDown] method to cleanup the injector.
  */
-tearDownInjector() => _currentSpecInjector = null;
+void tearDownInjector() {
+  _currentSpecInjector = null;
+}