Deprecate Set.isSubsetOf, make Set.containsAll accept iterable.

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
diff --git a/tests/co19/co19-dart2js.status b/tests/co19/co19-dart2js.status
index a1810a11e620a33760c004c5b0cf16524ac523b8..d5b4e7e3a6e2bc8e6694e4a621cf29ef0f1338bc 100644
--- a/tests/co19/co19-dart2js.status
+++ b/tests/co19/co19-dart2js.status
@@ -651,22 +651,21 @@ LibTest/isolate/SendPort/call_A01_t01: Fail # Future is in async library. co19 i
 
 LibTest/core/Set/add_A01_t06: Fail # issue 390
 LibTest/core/Set/containsAll_A01_t01: Fail # issue 390
-LibTest/core/Set/containsAll_A01_t02: Pass # issue 390
 LibTest/core/Set/every_A01_t01: Fail # issue 390
 LibTest/core/Set/every_A01_t03: Fail # issue 390
 LibTest/core/Set/forEach_A01_t05: Fail # issue 390
 LibTest/core/Set/intersection_A01_t01: Fail # issue 390
 LibTest/core/Set/intersection_A01_t02: Fail # issue 390
 LibTest/core/Set/intersection_A01_t03: Fail # issue 390
-LibTest/core/Set/intersection_A03_t01: Pass # issue 390
-LibTest/core/Set/isSubsetOf_A01_t01: Fail # issue 390
-LibTest/core/Set/isSubsetOf_A01_t02: Pass # issue 390
 LibTest/core/Set/removeAll_A01_t01: Fail # issue 390
 LibTest/core/Set/remove_A01_t01: Fail # issue 390
 LibTest/core/Set/remove_A01_t03: Fail # issue 390
 
 # Issues with co19 test suite in unchecked mode.
 [ $compiler == dart2js && $unchecked ]
+LibTest/core/Set/containsAll_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377). Passes in checked mode due to Issue 390.
+LibTest/core/Set/intersection_A03_t01: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377). Passes in checked mode due to Issue 390.
+
 LibTest/core/Future/chain_A02_t05: Fail # Future is in async library. co19 issue 367
 LibTest/core/Future/transform_A02_t04: Fail # Future is in async library. co19 issue 367
 
@@ -869,11 +868,9 @@ LibTest/core/Map/remove_A01_t02: Fail # Doesn't expect null to be allowed in Set
 LibTest/core/Set/add_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
 LibTest/core/Set/addAll_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
 LibTest/core/Set/contains_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
-LibTest/core/Set/containsAll_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
-LibTest/core/Set/intersection_A03_t01: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
-LibTest/core/Set/isSubsetOf_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
 LibTest/core/Set/remove_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
 LibTest/core/Set/removeAll_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
+LibTest/core/Set/isSubsetOf_A01_t02: Fail # Doesn't expect null to be allowed in Set or Map keys (issue 377).
 
 LibTest/core/Map/forEach_A01_t07: Fail # Doesn't expect concurrent modification error (issue 376).