Bug 876688 - [video] Progress slider shows 00:01 when it first appears
Merge pull request #10691 from huchengtw-moz/video/Bug_876688_progress_slider_shows_0001

Bug 876688 - [video] Progress slider shows 00:01 when it first appears, r=@djf
Bug 880257 - Show error messages when send SMS and MMS messages without SIM card, in air plane mode, or with other error.
Merge pull request #10536 from evanxd/bug-880257

Bug 880257 - [MMS] Implement a "Device without SIM" message when attempting to send messages without a SIM card