Remove methods on StackTrace class.

The API is not ready for finalization, so we remove it for further
development after M4.

Makes dart2js's StackTrace object implement dart:core's StackTrace.
Marks dart2js stack-trace tests as Fail instead of Skip.

Review URL: https://codereview.chromium.org//14009004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/stack_trace@21437 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: b93b12b94a8029113fa59c5f2481c9142d521ae1
  1. pkgs/