997ac90b24
Previously this function was always returning the first context; as a result completions were only being precomputed for the first context. There were probably subtle breakages in other features as well, though I'm not aware of any specific problems. R=danrubel@google.com Review URL: https://codereview.chromium.org//805783004 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@42401 260f80e4-7a28-3924-810f-c04153c831b5