Bug 865471 - Fix various sps profiler issues. r=jandem
bug 856779 - make PresShell::Init() return void and devirtualize it r=bz
bug 856779 - outparamdel nsIDocument::CreatePresShell() r=dholbert
bug 868215 - add optgroup test r=surkov
Bug 867203 - Part 1: Unregister AudioBufferSourceNodes from PannerNodes when they die; r=padenot

--HG--
extra : rebase_source : 3c580a0feba39d01779a91e6bd10a10d98cb7114
Bug 867203 - Part 2: Remove useless mPannerNode member in AudioBufferSourceNode. r=ehsan

--HG--
extra : rebase_source : dc94f66dbb4291226ab3f2c6c1ad8dc7aa4081e7
Bug 867160 - Allow baseline to bypass scriptAnalysis on most scripts. r=jandem