Bug 837669 - Part 2: ignore negative timing for event that appear before our "start".
Bug 1014110 - [Camera] Lazy-loaded controller references are not kept
Merge pull request #19486 from hfiguiere/bug837669

Bug 837669 - Part 2: ignore negative timing for event that appear before our "start". r=eli
Merge pull request #19490 from justindarc/bug1014110

Bug 1014110 - [Camera] Lazy-loaded controller references are not kept
Bug 993794 - Remove FxA pref check from Settings