Bug 975552 - [Australis] Preload about:customizing like we do with about:newtab to increase transition performance. r=jaws,ttaubert.
Bug 942600 - [Australis] Bookmarks toolbar items can get suddenly overflowed when dragging items into it. r=mak.
Bug 876041 - Granting access to microphone shows video icon next to address bar, r=dolske, ui-r=Boriss.
Bug 976513 - Australis - yield all the close windows in tests to avoid randomorange, rs=test-only

--HG--
extra : rebase_source : bb8c41ffea63ce3811b068edfcbd9233e1ed4e42
Bug 966692 - Reduce the default set of warnings we display in console; r=msucan
bug 978072 update social activation domain, r=felipe
Bug 975552 - Let the leak detector know about the preloaded customization tab r=bustage
Bug 963208 - Use a factory for GeckoEvents. r=kats
Bug 959742 - Close dialogs when inputs change if there are no buttons on the dialog. r=bnicholson
Bug 971943: 1. Remove unused variable. r=me.
Bug 971943: 2. webgl.force-layers-readback preference moved to gfxPrefs.  r=gw280
Bug 971943: 3. gfx.apitrace.enabled (ANDROID only) preference moved to gfxPrefs.  r=gwright
Bug 971943: 4. gfx.layerscope.port and gfx.layerscope.enabled moved to gfxPrefs. r=dglastonbury
Bug 976260 - Register javascript performance events with the profiler. r=jandem
Backed out changeset 84663a25b44e (bug 976260) for compilation failures
Bug 978015.  Web pages should actually be able to use DataTransfer.  r=smaug
Bug 976260 - Register javascript performance events with the profiler. r=jandem
Bug 976260 - Fix tbpl red because of include issues on CLOSED TREE. r=tbpl-red
Bug 976877 - Don't simplify invalidation regions since it leads to poor results. r=roc
Bug 976877 - Don't build optimized layers (color/image) inside inactive layer trees. r=roc