Revert "Fix scope/context behavior in await transformer."

tests/language/await_future_test.dart

Index: tests/language/await_future_test.dart
diff --git a/tests/language/await_future_test.dart b/tests/language/await_future_test.dart
index ca6af1868a7d5e04a2fb024486023d49e31ec9b3..9811f37f171181069532add2933a3c9748fa6ce6 100644
--- a/tests/language/await_future_test.dart
+++ b/tests/language/await_future_test.dart
@@ -48,35 +48,6 @@ quazz() async {
   }
 }
 
-var result = "";
-
-reset() {
-  result = "";
-}
-
-observe(x) {
-  if (result.length > 0) {
-    result += ",";
-  }
-  result += x;
-}
-
-newTask(x) async => observe(x);
-
-awaitAll(tasks) async {
-  for (var task in tasks) {
-    // This actually opens up a new context level.
-    await task;
-  }
-}
-
-taskTest() async {
-  var tasks = [ newTask('a'), newTask('b'), newTask('c') ];
-  reset();
-  await awaitAll(tasks);
-  Expect.equals('a,b,c', result);
-}
-
 main() async {
   var result;
   for (int i = 0; i < 10; i++) {
@@ -86,6 +57,5 @@ main() async {
     Expect.equals(result, 17);
     result = await quazz();
     Expect.equals(result, 2);
-    await taskTest();
   }
 }