CC Animation: Add perf tests for AnimationHost with AnimationTimelines

cc/test/fake_layer_tree_host.cc

Index: cc/test/fake_layer_tree_host.cc
diff --git a/cc/test/fake_layer_tree_host.cc b/cc/test/fake_layer_tree_host.cc
index 84c21751bfaeb4e4d0b2353a718bc50a5d3cdc36..1774f348a44854c27c42041a6cae792ee1fa50c3 100644
--- a/cc/test/fake_layer_tree_host.cc
+++ b/cc/test/fake_layer_tree_host.cc
@@ -4,6 +4,7 @@
 
 #include "cc/test/fake_layer_tree_host.h"
 
+#include "cc/animation/animation_host.h"
 #include "cc/layers/layer.h"
 #include "cc/test/fake_image_serialization_processor.h"
 #include "cc/test/test_task_graph_runner.h"
@@ -85,6 +86,7 @@ LayerImpl* FakeLayerTreeHost::CommitAndCreateLayerImplTree() {
   active_tree()->SetPropertyTrees(*property_trees());
   TreeSynchronizer::PushLayerProperties(root_layer()->layer_tree_host(),
                                         active_tree());
+  animation_host()->PushPropertiesTo(host_impl_.animation_host());
 
   active_tree()->UpdatePropertyTreeScrollOffset(property_trees());
 
@@ -106,6 +108,8 @@ LayerImpl* FakeLayerTreeHost::CommitAndCreatePendingTree() {
   pending_tree()->SetPropertyTrees(*property_trees());
   TreeSynchronizer::PushLayerProperties(root_layer()->layer_tree_host(),
                                         pending_tree());
+  animation_host()->PushPropertiesTo(host_impl_.animation_host());
+
   pending_tree()->UpdatePropertyTreeScrollOffset(property_trees());
   return pending_tree()->root_layer();
 }