de86bd5ed8
- Adding commands to set breakpoints and showing current stack trace. - Adding a callback hook to signal when a breakpoint gets resolved to and actual line number. - Adding ids for breakpoints and new breakpoint API functions, deprecating the existing ones. - Adding one helper function to the JSON class Anton may want to take a look at the JSON addition. Review URL: https://chromiumcodereview.appspot.com//10383164 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@7628 260f80e4-7a28-3924-810f-c04153c831b5