Backed out changeset 938ff744e73e (bug 888336) to make landing intermittent fixes easier.
Bug 886072 -Fix intermittent test failure in chat window tests. r=felipe, a=test-only
Bug 886086 - Fix intermittent test failure in chat window tests. r=felipe, a=test-only
Bug 888336 - Chat title not displayed after tearing off and reattaching a chat window. r=mixedpuppy, a=re-land
Bug 886737 - Unfocus the text area before snapshotWindow so that the caret doesn't appear in the snapshot. r=ehsan, a=test-only
Bug 886199 - Fix for intermittent browser_webconsole_bug_644419_log_limits.js | Timed out while waiting for: 10 console.log messages displayed and one pruned, and several more. r=me, a=test-only
Bug 887185 - Plugins test assumes click-to-play is enabled by default - ensure it is enabled for apps that don't yet have it enabled. r=bsmedberg, a=test-only
Bug 888031 - Remove about:home from tests not explicitly requiring it. r=ttaubert, a=test-only
Bug 882575 - Reenable browser_capabilities.js now that it doesn't use about:home so it won't be hearing about how snippets is undefined. a=test-only
Bug 874419 - Intermittent browser_net_sort-01.js | The attached url is incorrect | The displayed file is incorrect | The tooltip file is incorrect | The displayed status is incorrect | The tooltip status is incorrect | The displayed size is incorrect..., r=me, a=test-only