Backed out changeset 79c1d8a1d805 (bug 887185) for xpcshell failures. a=backout
Bug 886170 - Intermittent browser_dbg_bug723071_editor-breakpoints-highlight.js | The currently selected source is incorrect (0). - Got http://example.com/browser/browser/devtools/debugger/test/test-script-switching-02.js, expected ... and 11 more. r=past, a=test-only
Bug 860345 - Intermittent browser_dbg_sources-cache.js | Found a source url cached correctly (1), Found a source's text contents cached correctly (1). r=past, a=test-only