Revert "Update all Angular libs (run update_all.sh)."

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

-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});
-}