Bug 1208938 part 2 - Remove Animation::HasEndEventToQueue; r=heycam

dom/animation/Animation.cpp

@@ -581,8 +581,7 @@ Animation::ComposeStyle(nsRefPtr<AnimValuesStyleRule>& aStyleRule,
 
   AnimationPlayState playState = PlayState();
   if (playState == AnimationPlayState::Running ||
-      playState == AnimationPlayState::Pending ||
+      playState == AnimationPlayState::Pending) {
-      HasEndEventToQueue()) {
     aStyleChanging = true;
   }
 

dom/animation/Animation.h

@@ -293,19 +293,6 @@ public:
                     nsCSSPropertySet& aSetProperties,
                     bool& aStyleChanging);
 
-
-  // FIXME: Because we currently determine if we need refresh driver ticks
-  // during restyling (specifically ComposeStyle above) and not necessarily
-  // during a refresh driver tick, we can arrive at a situation where we
-  // have finished running an animation but are waiting until the next tick
-  // to queue the final end event. This method tells us when we are in that
-  // situation so we can avoid unregistering from the refresh driver until
-  // we've finished dispatching events.
-  //
-  // This is a temporary measure until bug 1195180 is done and we can do all
-  // our registering and unregistering within a tick callback.
-  virtual bool HasEndEventToQueue() const { return false; }
-
   void NotifyEffectTimingUpdated();
 
 protected:

layout/style/nsAnimationManager.cpp

@@ -275,21 +275,6 @@ CSSAnimation::QueueEvents()
                                          this));
 }
 
-bool
-CSSAnimation::HasEndEventToQueue() const
-{
-  if (!mEffect) {
-    return false;
-  }
-
-  bool wasActive = mPreviousPhaseOrIteration != PREVIOUS_PHASE_BEFORE &&
-                   mPreviousPhaseOrIteration != PREVIOUS_PHASE_AFTER;
-  bool isActive = mEffect->GetComputedTiming().mPhase ==
-                    ComputedTiming::AnimationPhase_Active;
-
-  return wasActive && !isActive;
-}
-
 CommonAnimationManager*
 CSSAnimation::GetAnimationManager() const
 {

layout/style/nsAnimationManager.h

@@ -126,7 +126,6 @@ public:
 
   void Tick() override;
   void QueueEvents();
-  bool HasEndEventToQueue() const override;
 
   bool IsStylePaused() const { return mIsStylePaused; }
 

layout/style/nsTransitionManager.cpp

@@ -155,17 +155,6 @@ CSSTransition::QueueEvents()
                                           this));
 }
 
-bool
-CSSTransition::HasEndEventToQueue() const
-{
-  if (!mEffect) {
-    return false;
-  }
-
-  return !mWasFinishedOnLastTick &&
-         PlayState() == AnimationPlayState::Finished;
-}
-
 void
 CSSTransition::Tick()
 {

layout/style/nsTransitionManager.h

@@ -164,7 +164,6 @@ protected:
                     SyncNotifyFlag aSyncNotifyFlag) override;
 
   void QueueEvents();
-  bool HasEndEventToQueue() const override;
 
   // The (pseudo-)element whose computed transition-property refers to this
   // transition (if any).