1 files changed, 4 insertions, 2 deletions
diff --git a/dom/animation/ComputedTiming.h b/dom/animation/ComputedTiming.h
index 4a98e3933..b1c6674a5 100644
--- a/dom/animation/ComputedTiming.h
+++ b/dom/animation/ComputedTiming.h
@@ -29,6 +29,8 @@ struct ComputedTiming
   // Will equal StickyTimeDuration::Forever() if the animation repeats
   // indefinitely.
   StickyTimeDuration  mActiveDuration;
+  // The time within the active interval.
+  StickyTimeDuration  mActiveTime;
   // The effect end time in local time (i.e. an offset from the effect's
   // start time). Will equal StickyTimeDuration::Forever() if the animation
   // plays indefinitely.
@@ -62,12 +64,12 @@ struct ComputedTiming
   }
 
   enum class AnimationPhase {
-    Null,   // Not sampled (null sample time)
+    Idle,   // Not sampled (null sample time)
     Before, // Sampled prior to the start of the active interval
     Active, // Sampled within the active interval
     After   // Sampled after (or at) the end of the active interval
   };
-  AnimationPhase      mPhase = AnimationPhase::Null;
+  AnimationPhase      mPhase = AnimationPhase::Idle;
 
   ComputedTimingFunction::BeforeFlag mBeforeFlag =
     ComputedTimingFunction::BeforeFlag::Unset;