CC Animation: Rename Active Players to Ticking Players.

cc/animation/animation_host.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_ANIMATION_ANIMATION_HOST_H_
 #define CC_ANIMATION_ANIMATION_HOST_H_
 
 #include <memory>
 #include <unordered_map>
 #include <vector>
@@ skipping 77 matching lines @@
   void RegisterElement(ElementId element_id,
                        ElementListType list_type) override;
   void UnregisterElement(ElementId element_id,
                          ElementListType list_type) override;
 
   void SetMutatorHostClient(MutatorHostClient* client) override;
 
   void PushPropertiesTo(MutatorHost* host_impl) override;
 
   void SetSupportsScrollAnimations(bool supports_scroll_animations) override;
-  bool NeedsAnimateLayers() const override;
+  bool NeedsTickAnimations() const override;
 
   bool ActivateAnimations() override;
-  bool AnimateLayers(base::TimeTicks monotonic_time) override;
+  bool TickAnimations(base::TimeTicks monotonic_time) override;
   bool UpdateAnimationState(bool start_ready_animations,
                             MutatorEvents* events) override;
 
   std::unique_ptr<MutatorEvents> CreateEvents() override;
   void SetAnimationEvents(std::unique_ptr<MutatorEvents> events) override;
 
   bool ScrollOffsetAnimationWasInterrupted(ElementId element_id) const override;
 
   bool IsAnimatingFilterProperty(ElementId element_id,
                                  ElementListType list_type) const override;
@@ skipping 34 matching lines @@
   bool AnimationsPreserveAxisAlignment(ElementId element_id) const override;
 
   bool MaximumTargetScale(ElementId element_id,
                           ElementListType list_type,
                           float* max_scale) const override;
   bool AnimationStartScale(ElementId element_id,
                            ElementListType list_type,
                            float* start_scale) const override;
 
   bool HasAnyAnimation(ElementId element_id) const override;
-  bool HasActiveAnimationForTesting(ElementId element_id) const override;
+  bool HasTickingAnimationForTesting(ElementId element_id) const override;
 
   void ImplOnlyScrollAnimationCreate(ElementId element_id,
                                      const gfx::ScrollOffset& target_offset,
                                      const gfx::ScrollOffset& current_offset,
                                      base::TimeDelta delayed_by) override;
   bool ImplOnlyScrollAnimationUpdateTarget(
       ElementId element_id,
       const gfx::Vector2dF& scroll_delta,
       const gfx::ScrollOffset& max_scroll_offset,
       base::TimeTicks frame_monotonic_time,
       base::TimeDelta delayed_by) override;
 
   void ScrollAnimationAbort(bool needs_completion) override;
 
   // This should only be called from the main thread.
   ScrollOffsetAnimations& scroll_offset_animations() const;
 
-  // Registers the given animation player as active. An active animation
-  // player is one that has a running animation that needs to be ticked.
-  void ActivateAnimationPlayer(scoped_refptr<AnimationPlayer> player);
+  // Registers the given animation player as ticking. A ticking animation
+  // player is one that has a running animation.
+  void AddToTicking(scoped_refptr<AnimationPlayer> player);
 
   // Unregisters the given animation player. When this happens, the
-  // animation player will no longer be ticked (since it's not active).
-  void DeactivateAnimationPlayer(scoped_refptr<AnimationPlayer> player);
+  // animation player will no longer be ticked.
+  void RemoveFromTicking(scoped_refptr<AnimationPlayer> player);
 
-  const PlayersList& active_players_for_testing() const;
-  const ElementToAnimationsMap& all_element_animations_for_testing() const;
+  const PlayersList& ticking_players_for_testing() const;
+  const ElementToAnimationsMap& element_animations_for_testing() const;
 
  private:
   explicit AnimationHost(ThreadInstance thread_instance);
 
   void PushTimelinesToImplThread(AnimationHost* host_impl) const;
   void RemoveTimelinesFromImplThread(AnimationHost* host_impl) const;
   void PushPropertiesToImplThread(AnimationHost* host_impl);
 
   void EraseTimeline(scoped_refptr<AnimationTimeline> timeline);
 
   ElementToAnimationsMap element_to_animations_map_;
-  PlayersList active_players_;
+  PlayersList ticking_players_;
 
   // A list of all timelines which this host owns.
   using IdToTimelineMap =
       std::unordered_map<int, scoped_refptr<AnimationTimeline>>;
   IdToTimelineMap id_to_timeline_map_;
 
   MutatorHostClient* mutator_host_client_;
 
   std::unique_ptr<ScrollOffsetAnimations> scroll_offset_animations_;
   std::unique_ptr<ScrollOffsetAnimationsImpl> scroll_offset_animations_impl_;
 
   const ThreadInstance thread_instance_;
 
   bool supports_scroll_animations_;
   bool needs_push_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(AnimationHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_ANIMATION_ANIMATION_HOST_H_