Rename unsubscribe to cancel.

tests/isolate/stream_mangling_test.dart

Index: tests/isolate/stream_mangling_test.dart
diff --git a/tests/isolate/stream_mangling_test.dart b/tests/isolate/stream_mangling_test.dart
index 25849a8ae066ba5b1f6413a29d8193f9889ed132..fbc56f6d5399e541d82626680430a2e554d7c4e0 100644
--- a/tests/isolate/stream_mangling_test.dart
+++ b/tests/isolate/stream_mangling_test.dart
@@ -13,7 +13,7 @@ main() {
     var nested = [];
     nested.add(nested);
     Expect.identical(nested, nested[0]);
-    stream.subscribe(onData: expectAsync1((data) {
+    stream.listen(expectAsync1((data) {
       Expect.isFalse(identical(nested, data));
       Expect.isTrue(data is List);
       Expect.equals(1, data.length);
@@ -32,7 +32,7 @@ main() {
     nested.add(3);
     nested.add(4);
     Expect.identical(nested, nested[2]);
-    stream.subscribe(onData: expectAsync1((data) {
+    stream.listen(expectAsync1((data) {
       Expect.isFalse(identical(nested, data));
       Expect.isTrue(data is List);
       Expect.equals(5, data.length);
@@ -56,7 +56,7 @@ main() {
     nested.add(3);
     nested.add(4);
     Expect.identical(nested, nested[0][0][0][0][2]);
-    stream.subscribe(onData: expectAsync1((data) {
+    stream.listen(expectAsync1((data) {
       Expect.isFalse(identical(nested, data));
       Expect.isTrue(data is List);
       Expect.equals(4, data.length);
@@ -80,7 +80,7 @@ main() {
     var nested = {};
     nested["foo"] = nested;
     Expect.identical(nested, nested["foo"]);
-    stream.subscribe(onData: expectAsync1((data) {
+    stream.listen(expectAsync1((data) {
       Expect.isFalse(identical(nested, data));
       Expect.isTrue(data is Map);
       Expect.equals(1, data.length);