Update browser controller and unittest lib to use start marker to figure out when to start new tests (and send back the correct id)
Update browser controller and unittest lib to use start marker to figure out when to start new tests (and send back the correct id)

R=kustermann@google.com

Review URL: https://codereview.chromium.org//15742006

git-svn-id: b889c0189f1adfea19efba192a3d7a5b889e4120@23059 260f80e4-7a28-3924-810f-c04153c831b5

greglittlefield-wf/test,apwilson/test,kevmoo/test,apwilson/test,kevmoo/test,d2m/test,iglherme/Guttiest,Pacane/test,grouma/test,d2m/test,Pacane/test,iglherme/Guttiest,greglittlefield-wf/test,kevmoo/test,d2m/test,iglherme/Guttiest,grouma/test,grouma/test,apwilson/test,greglittlefield-wf/test