In order to avoid creating a temporary nsTimingFunction in some cases and
calling Init(), add some useful constructors to reduce the redundant code.
MozReview-Commit-ID: I8zmWeKl9aw
In order to avoid creating a temporary nsTimingFunction in some cases and
calling Init(), add some useful constructors to reduce the redundant code.
MozReview-Commit-ID: I8zmWeKl9aw
This is also for compositor side.
we need a new class to share the function which converts TimingFunction
to ComputedTimingFunction for either keyframe's timing function or keyframe
effect's timing function.
