bug-909373-[Music] open activity saving feature robustness
Bug 917359 - Remember my choice is exposed for the getUserMedia dialog, but shouldn't be
Merge pull request #12689 from gasolin/issue-917359

Bug 917359 - Remember my choice is exposed for the getUserMedia dialog, ..., r=alive
Bug 927768 - Fix incorrect generated CSS transform value in card view
Merge pull request #12959 from timdream/bug927768

Bug 927768 - Fix incorrect generated CSS transform value in card view, r=timdream
Merge pull request #12139 from arasbm/bug-909373-openaudio-activity-save-robustness

bug-909373-[Music] open activity saving feature robustness, r=@dominickuo