33be759e00
1. Fix JSON import. 2. Add exit code check to catch such errors in the future. 3. Only kill the debugee on errors. If there are no errors it will die on its own with exit code 0. If we kill it explicitly it can get killed (and give exit code != 0) before it has the chance to exit on its own. R=sgjesse@google.com,tball@google.com,hausner@google.com BUG= Review URL: https://codereview.chromium.org//12086080 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17889 260f80e4-7a28-3924-810f-c04153c831b5