Update all Angular libs (run update_all.sh).

third_party/pkg/di/lib/src/injector.dart

Index: third_party/pkg/di/lib/src/injector.dart
diff --git a/third_party/pkg/di/lib/src/injector.dart b/third_party/pkg/di/lib/src/injector.dart
new file mode 100644
index 0000000000000000000000000000000000000000..80d39b1ac9b51440e0038f4900fc0039732735dc
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+++ b/third_party/pkg/di/lib/src/injector.dart
@@ -0,0 +1,66 @@
+part of di;
+
+abstract class Injector {
+  /**
+   * Name of the injector or null of none is given.
+   */
+  String get name;
+
+  /**
+   * The parent injector or null if root.
+   */
+  Injector get parent;
+
+  /**
+   * The root injector.
+   */
+  Injector get root;
+
+  /**
+   * List of all types which the injector can return
+   */
+  Set<Type> get types;
+
+  /**
+   * Indicates whether injector allows implicit injection -- resolving types
+   * that were not explicitly bound in the module(s).
+   */
+  bool get allowImplicitInjection;
+
+  /**
+   * Get an instance for given token ([Type]).
+   *
+   * If the injector already has an instance for this token, it returns this
+   * instance. Otherwise, injector resolves all its dependencies, instantiates
+   * new instance and returns this instance.
+   *
+   * If there is no binding for given token, injector asks parent injector.
+   *
+   * If there is no parent injector, an implicit binding is used. That is,
+   * the token ([Type]) is instantiated.
+   */
+  dynamic get(Type type, [Type annotation]);
+
+  /**
+   * Get an instance for given key ([Key]).
+   *
+   * If the injector already has an instance for this key, it returns this
+   * instance. Otherwise, injector resolves all its dependencies, instantiates
+   * new instance and returns this instance.
+   *
+   * If there is no binding for given key, injector asks parent injector.
+   */
+  dynamic getByKey(Key key);
+
+  /**
+   * Create a child injector.
+   *
+   * Child injector can override any bindings by adding additional modules.
+   *
+   * It also accepts a list of tokens that a new instance should be forced.
+   * That means, even if some parent injector already has an instance for this
+   * token, there will be a new instance created in the child injector.
+   */
+  Injector createChild(List<Module> modules,
+                       {List forceNewInstances, String name});
+}