Remove everything but markdown from third_party

third_party/pkg/route_hierarchical/lib/route_handle.dart

Index: third_party/pkg/route_hierarchical/lib/route_handle.dart
diff --git a/third_party/pkg/route_hierarchical/lib/route_handle.dart b/third_party/pkg/route_hierarchical/lib/route_handle.dart
deleted file mode 100644
index 78d327e6d790b3b3ef5f7372e25d7856ad9644dc..0000000000000000000000000000000000000000
--- a/third_party/pkg/route_hierarchical/lib/route_handle.dart
+++ /dev/null
@@ -1,123 +0,0 @@
-part of route.client;
-
-/**
- * A helper Router handle that scopes all route event subsriptions to it's
- * instance and provides an convinience [discard] method.
- */
-class RouteHandle implements Route {
-  Route _route;
-  final StreamController<RoutePreEnterEvent> _onPreEnterController;
-  final StreamController<RouteEnterEvent> _onEnterController;
-  final StreamController<RouteLeaveEvent> _onLeaveController;
-
-  @override
-  @Deprecated("use [onEnter] instead.")
-  Stream<RouteEnterEvent> get onRoute => onEnter;
-  @override
-  Stream<RoutePreEnterEvent> get onPreEnter => _onPreEnterController.stream;
-  @override
-  Stream<RouteEnterEvent> get onEnter => _onEnterController.stream;
-  @override
-  Stream<RouteLeaveEvent> get onLeave => _onLeaveController.stream;
-
-  StreamSubscription _onPreEnterSubscription;
-  StreamSubscription _onEnterSubscription;
-  StreamSubscription _onLeaveSubscription;
-  List<RouteHandle> _childHandles = <RouteHandle>[];
-
-  RouteHandle._new(this._route)
-      : _onEnterController =
-            new StreamController<RouteEnterEvent>.broadcast(sync: true),
-        _onPreEnterController =
-            new StreamController<RoutePreEnterEvent>.broadcast(sync: true),
-        _onLeaveController =
-            new StreamController<RouteLeaveEvent>.broadcast(sync: true) {
-    _onEnterSubscription = _route.onEnter.listen(_onEnterController.add);
-    _onPreEnterSubscription =
-        _route.onPreEnter.listen(_onPreEnterController.add);
-    _onLeaveSubscription = _route.onLeave.listen(_onLeaveController.add);
-  }
-
-  /// discards this handle.
-  void discard() {
-    _logger.finest('discarding handle for $_route');
-    _onPreEnterSubscription.cancel();
-    _onEnterSubscription.cancel();
-    _onLeaveSubscription.cancel();
-    _onEnterController.close();
-    _onLeaveController.close();
-    _childHandles
-        ..forEach((RouteHandle c) => c.discard())
-        ..clear();
-    _route = null;
-  }
-
-  /// Not supported. Overridden to throw an error.
-  @override
-  void addRoute({String name, Pattern path, bool defaultRoute: false,
-      RouteEnterEventHandler enter, RoutePreEnterEventHandler preEnter,
-      RouteLeaveEventHandler leave, mount, dontLeaveOnParamChanges: false}) {
-    throw new UnsupportedError('addRoute is not supported in handle');
-  }
-
-  @override
-  @Deprecated("use [findRoute] instead.")
-  Route getRoute(String routePath) => findRoute(routePath);
-
-  @override
-  Route findRoute(String routePath) {
-    Route r = _assertState(() => _getHost(_route).findRoute(routePath));
-    if (r == null) return null;
-    var handle = r.newHandle();
-    if (handle != null) _childHandles.add(handle);
-    return handle;
-  }
-
-  /**
-   * Create an return a new [RouteHandle] for this route.
-   */
-  @override
-  RouteHandle newHandle() {
-    _logger.finest('newHandle for $this');
-    return new RouteHandle._new(_getHost(_route));
-  }
-
-  Route _getHost(Route r) {
-    _assertState();
-    if (r == null) throw new StateError('Oops?!');
-    if ((r is Route) && (r is! RouteHandle)) return r;
-    RouteHandle rh = r;
-    return rh._getHost(rh._route);
-  }
-
-  dynamic _assertState([f()]) {
-    if (_route == null) {
-      throw new StateError('This route handle is already discated.');
-    }
-    return f == null ? null : f();
-  }
-
-  /// See [Route.isActive]
-  @override
-  bool get isActive => _route.isActive;
-
-  /// See [Route.parameters]
-  @override
-  Map get parameters => _route.parameters;
-
-  /// See [Route.path]
-  @override
-  UrlMatcher get path => _route.path;
-
-  /// See [Route.name]
-  @override
-  String get name => _route.name;
-
-  /// See [Route.parent]
-  @override
-  Route get parent => _route.parent;
-
-  /// See [Route.dontLeaveOnParamChanges]
-  @override
-  bool get dontLeaveOnParamChanges => _route.dontLeaveOnParamChanges;
-}