Bug 974457 - Package content_webrtc.xpt so we can use nsITabSource r=blassey
Merge m-c to fx-team.
Bug 973670 - Draw selector on top in PanelGridView (r=margaret)
Bug 973667 - Remove unnecessary HomeGridView style (r=margaret)
Bug 974291 - Correctly handle deleted items in getItemFlags. r=bnicholson
Bug 970054 - Close selection if you tap outside it. r=margaret,capella
Bug 958109 - Wrap prompt inputs so that we can add padding around them. r=margaret
Bug 952582 - Disable bookmarking in Guest mode. r=mcomella
Bug 931900 - Make null value parameter handling match Desktop. r=margaret
Bug 974065 - Add async function helpers to devtools. r=fitzgen, r=robcee
Bug 974065 - Add test file missing from previous push. r=me
Merge backout of bug 965945 from m-c
Bug 950826 - Kitkat theme for super toasts. r=wesj
Bug 928061 - Enable separate Desktop in Windows sandbox policy. r=aklotz
Bug 974569 - Clean up OpusTrackEncoder array construction. r=shelly

- Use implicit array sizes for constant tables and strings.

- Use AppendElements(data, length) directly instead of the
  memcpy(AppendElements(lenth), data, length) construction.

- Use ArrayLength instead of MOZ_ARRAY_LENGTH since we're
  in C++ code.
Bug 974979 - Browser crashes after trying to restart a crashed e10s process. r=aklotz
Bug 930477: Inline MPow with Float32 inputs even if it's not specialized; r=jandem
Bug 898356 Part 1 -- Separate out simple type descriptors from the rest so that they can be referenced by TypedArray.h without pulling in everything else r=sfink
Bug 898356 Part 2 -- Simplify HANDLE_BAD_ARGS to just BAD_ARGS r=sfink
Bug 898356 Part 3 -- Adjust constructor for typed objects to more closely match upcoming spec r=sfink