[PATCH 1/2] Bug 833286 - added improvements to atomic backup of sessionstore.js. r=yoric, ttaubert

---
 .../components/sessionstore/src/SessionStore.jsm   |   45 +++++--
 .../components/sessionstore/src/_SessionFile.jsm   |  131 ++++++++++++++-----
 2 files changed, 127 insertions(+), 49 deletions(-)
[PATCH 2/2] Bug 833286 - added tests for improvements to atomic backup of sessionstore.js. r=yoric, ttaubert

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 browser/components/sessionstore/test/Makefile.in   |    1 +
 .../test/browser_833286_atomic_backup.js           |  143 ++++++++++++++++++++
 2 files changed, 144 insertions(+), 0 deletions(-)
 create mode 100644 browser/components/sessionstore/test/browser_833286_atomic_backup.js
Bug 866264 - Intermittent devtools/styleeditor/test/browser_styleeditor_new.js | new editor shows 1 rule after modification - Got 2, expected 1; r=dcamp
Bug 867481 - Remote debugging connection screen is broken. r=harth
merge m-c to fx-team