cc: Move filters to the effect tree

cc/test/animation_timelines_test_common.h

Index: cc/test/animation_timelines_test_common.h
diff --git a/cc/test/animation_timelines_test_common.h b/cc/test/animation_timelines_test_common.h
index d020257b2eadbd8a339c2d110852e1ef21b63ab2..5470b693bf7723f403f79492b7d35518ee174e67 100644
--- a/cc/test/animation_timelines_test_common.h
+++ b/cc/test/animation_timelines_test_common.h
@@ -79,6 +79,20 @@ class TestLayer {
     has_potential_opacity_animation_ = is_animating;
   }
 
+  bool filter_is_currently_animating() const {
+    return filter_is_currently_animating_;
+  }
+  void set_filter_is_currently_animating(bool is_animating) {
+    filter_is_currently_animating_ = is_animating;
+  }
+
+  bool has_potential_filter_animation() const {
+    return has_potential_filter_animation_;
+  }
+  void set_has_potential_filter_animation(bool is_animating) {
+    has_potential_filter_animation_ = is_animating;
+  }
+
   bool is_property_mutated(TargetProperty::Type property) const {
     return mutated_properties_[property];
   }
@@ -94,6 +108,8 @@ class TestLayer {
   bool transform_is_currently_animating_;
   bool has_potential_opacity_animation_;
   bool opacity_is_currently_animating_;
+  bool has_potential_filter_animation_;
+  bool filter_is_currently_animating_;
 
   bool mutated_properties_[TargetProperty::LAST_TARGET_PROPERTY + 1];
 };
@@ -138,6 +154,11 @@ class TestHostClient : public MutatorHostClient {
                                         AnimationChangeType change_type,
                                         bool is_animating) override;
 
+  void ElementFilterIsAnimatingChanged(ElementId element_id,
+                                       ElementListType list_type,
+                                       AnimationChangeType change_type,
+                                       bool is_animating) override;
+
   void ScrollOffsetAnimationFinished() override {}
 
   void SetScrollOffsetForAnimation(const gfx::ScrollOffset& scroll_offset);
@@ -174,6 +195,10 @@ class TestHostClient : public MutatorHostClient {
                                       ElementListType list_type) const;
   bool GetHasPotentialOpacityAnimation(ElementId element_id,
                                        ElementListType list_type) const;
+  bool GetHasPotentialFilterAnimation(ElementId element_id,
+                                      ElementListType list_type) const;
+  bool GetFilterIsCurrentlyAnimating(ElementId element_id,
+                                     ElementListType list_type) const;
 
   void ExpectFilterPropertyMutated(ElementId element_id,
                                    ElementListType list_type,