Remove deprecated CollectionSink and Stream.pipeInto.

tests/lib/async/stream_controller_async_test.dart

Index: tests/lib/async/stream_controller_async_test.dart
diff --git a/tests/lib/async/stream_controller_async_test.dart b/tests/lib/async/stream_controller_async_test.dart
index 10a18c49ac72c1a99eadf01cc4d10f0487b84fe6..dca28e1709e88e9fa8c9792211e56315ed928391 100644
--- a/tests/lib/async/stream_controller_async_test.dart
+++ b/tests/lib/async/stream_controller_async_test.dart
@@ -32,22 +32,6 @@ testController() {
      .catchError(expectAsync1((e) { Expect.equals("Fnyf!", e.error); }));
     c.add(42);
   });
-
-  test("StreamController.pipeInto", () {
-    StreamController c = new StreamController.broadcast();
-    var list = <int>[];
-    Stream stream = c.stream;
-    stream.pipeInto(new CollectionSink<int>(list))
-     .whenComplete(expectAsync0(() {
-        Expect.listEquals(<int>[1,2,9,3,9], list);
-      }));
-    c.add(1);
-    c.add(2);
-    c.add(9);
-    c.add(3);
-    c.add(9);
-    c.close();
-  });
 }
 
 testSingleController() {
@@ -69,22 +53,6 @@ testSingleController() {
     c.add(42);
   });
 
-  test("Single-subscription StreamController.pipeInto", () {
-    StreamController c = new StreamController();
-    var list = <int>[];
-    Stream stream = c.stream;
-    stream.pipeInto(new CollectionSink<int>(list))
-     .whenComplete(expectAsync0(() {
-        Expect.listEquals(<int>[1,2,9,3,9], list);
-      }));
-    c.add(1);
-    c.add(2);
-    c.add(9);
-    c.add(3);
-    c.add(9);
-    c.close();
-  });
-
   test("Single-subscription StreamController subscription changes", () {
     StreamController c = new StreamController();
     EventSink sink = c.sink;