Re-apply "Move the container tracer to the call graph inferrer.".

tests/language/list_tracer_closure_test.dart

Index: tests/language/list_tracer_closure_test.dart
===================================================================
--- tests/language/list_tracer_closure_test.dart	(revision 0)
+++ tests/language/list_tracer_closure_test.dart	(revision 0)
@@ -0,0 +1,19 @@
+// Copyright (c) 2013, 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.
+
+// Regression test for dart2js' inferrer: if we closurize a method, we
+// still need to collect the users of the parameters for the trace
+// container pass to work.
+
+main() {
+  var a = new List();
+  a.add;
+  var b = new List();
+  var c = new List(1);
+  b.add(c);
+  b[0][0] = 42;
+  if (c[0] is! int) {
+    throw 'Test failed';
+  }
+}