CC Animation: Erase old animation system.

cc/trees/layer_tree_host.h

Index: cc/trees/layer_tree_host.h
diff --git a/cc/trees/layer_tree_host.h b/cc/trees/layer_tree_host.h
index c98500234c9cff8c68ff0a0965d9929b19491552..bbaa3d0d92f76f3818473fa8945956fdc8d7c31b 100644
--- a/cc/trees/layer_tree_host.h
+++ b/cc/trees/layer_tree_host.h
@@ -20,7 +20,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
-#include "cc/animation/animation.h"
+#include "cc/animation/target_property.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/frame_timing_tracker.h"
 #include "cc/debug/micro_benchmark.h"
@@ -297,9 +297,6 @@ class CC_EXPORT LayerTreeHost : public MutatorHostClient {
   TaskRunnerProvider* task_runner_provider() const {
     return task_runner_provider_.get();
   }
-  AnimationRegistrar* animation_registrar() const {
-    return animation_registrar_.get();
-  }
   AnimationHost* animation_host() const { return animation_host_.get(); }
 
   bool in_paint_layer_contents() const { return in_paint_layer_contents_; }
@@ -552,7 +549,6 @@ class CC_EXPORT LayerTreeHost : public MutatorHostClient {
   EventListenerProperties event_listener_properties_[static_cast<size_t>(
       EventListenerClass::kNumClasses)];
 
-  scoped_ptr<AnimationRegistrar> animation_registrar_;
   scoped_ptr<AnimationHost> animation_host_;
 
   scoped_ptr<PendingPageScaleAnimation> pending_page_scale_animation_;