[Sketch] CC Animations: Torpedo the old intrusive animation system.

cc/trees/layer_tree_impl.cc

Index: cc/trees/layer_tree_impl.cc
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index 93aeb0e36ce06a0c88cb5b8e29d5e73ce73b511b..59626d6fc5eb3eb547ca4c17c489eaede2378fbb 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -11,7 +11,6 @@
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/animation/animation_host.h"
-#include "cc/animation/keyframed_animation_curve.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/animation/scrollbar_animation_controller_linear_fade.h"
 #include "cc/animation/scrollbar_animation_controller_thinning.h"
@@ -959,10 +958,6 @@ void LayerTreeImpl::SetNeedsRedraw() {
   layer_tree_host_impl_->SetNeedsRedraw();
 }
 
-AnimationRegistrar* LayerTreeImpl::GetAnimationRegistrar() const {
-  return layer_tree_host_impl_->animation_registrar();
-}
-
 void LayerTreeImpl::GetAllTilesAndPrioritiesForTracing(
     std::map<const Tile*, TilePriority>* tile_map) const {
   typedef LayerIterator<LayerImpl> LayerIteratorType;