Renamed StreamSink to EventSink. Renamed signalError to addError.

tests/lib/async/stream_controller_async_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Test the basic StreamController and StreamController.singleSubscription.
 library stream_controller_async_test;
 
 import 'dart:async';
 import 'dart:isolate';
 import '../../../pkg/unittest/lib/unittest.dart';
@@ skipping 68 matching lines @@
     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();
-    StreamSink sink = c.sink;
+    EventSink sink = c.sink;
     Stream stream = c.stream;
     int counter = 0;
     var subscription;
     subscription = stream.listen((data) {
       counter += data;
       Expect.throws(() => stream.listen(null), (e) => e is StateError);
       subscription.cancel();
       stream.listen((data) {
         counter += data * 10;
       },
       onDone: expectAsync0(() {
         Expect.equals(1 + 20, counter);
       }));
     });
     sink.add(1);
     sink.add(2);
     sink.close();
   });
 
   test("Single-subscription StreamController events are buffered when"
        " there is no subscriber",
        () {
     StreamController c = new StreamController();
-    StreamSink sink = c.sink;
+    EventSink sink = c.sink;
     Stream stream = c.stream;
     int counter = 0;
     sink.add(1);
     sink.add(2);
     sink.close();
     stream.listen(
       (data) {
         counter += data;
       },
       onDone: expectAsync0(() {
         Expect.equals(3, counter);
       }));
   });
 
   // Test subscription changes while firing.
   test("Single-subscription StreamController subscription changes while firing",
        () {
     StreamController c = new StreamController();
-    StreamSink sink = c.sink;
+    EventSink sink = c.sink;
     Stream stream = c.stream;
     int counter = 0;
     var subscription = stream.listen(null);
     subscription.onData(expectAsync1((data) {
       counter += data;
       subscription.cancel();
       stream.listen((data) {
         counter += 10 * data;
       },
       onDone: expectAsync0(() {
@@ skipping 270 matching lines @@
       c.close();
     });
   }
 
   testStreamError(name, streamErrorTransform) {
     test("rethrow-$name-error", () {
       StreamController c = new StreamController();
       Stream s = streamErrorTransform(c.stream, (e) { throw error; });
       s.listen((_) { Expect.fail("unexpected value"); }, onError: expectAsync1(
           (AsyncError e) { Expect.identical(error, e); }));
-      c.signalError(null);
+      c.addError(null);
       c.close();
     });
   }
 
   testFuture(name, streamValueTransform) {
     test("rethrow-$name-value", () {
       StreamController c = new StreamController();
       Future f = streamValueTransform(c.stream, (v) { throw error; });
       f.then((v) { Expect.fail("unreachable"); },
              onError: expectAsync1((e) { Expect.identical(error, e); }));
@@ skipping 17 matching lines @@
   testFuture("reduce", (s, act) => s.reduce(0, (a,b) => act(b)));
 }
 
 main() {
   testController();
   testSingleController();
   testExtraMethods();
   testPause();
   testRethrow();
 }