De-activate LayerAnimationControllers when all animations are WaitingForDeletion

cc/trees/layer_tree_host_unittest_animation.cc

Index: cc/trees/layer_tree_host_unittest_animation.cc
diff --git a/cc/trees/layer_tree_host_unittest_animation.cc b/cc/trees/layer_tree_host_unittest_animation.cc
index 90fc9365195aea2ce900bd32c63d91282b9ad77f..45387578c84266310831645335b9dccd2197a468 100644
--- a/cc/trees/layer_tree_host_unittest_animation.cc
+++ b/cc/trees/layer_tree_host_unittest_animation.cc
@@ -261,7 +261,7 @@ class LayerTreeHostAnimationTestTickAnimationWhileBackgrounded
       : num_animates_(0) {}
 
   virtual void BeginTest() OVERRIDE {
-    PostAddAnimationToMainThread(layer_tree_host()->root_layer());
+    PostAddLongAnimationToMainThread(layer_tree_host()->root_layer());
   }
 
   // Use WillAnimateLayers to set visible false before the animation runs and
@@ -866,13 +866,6 @@ class LayerTreeHostAnimationTestCheckerboardDoesntStartAnimations
     PostSetNeedsCommitToMainThread();
   }
 
-  virtual void DispatchAddInstantAnimation(Layer* layer_to_receive_animation)
-      OVERRIDE {

[ajuma, 2013/11/15 18:32:50]

This needed to be changed, since this CL removes DispatchAddInstantAnimation in
LayerTreeTest. But there doesn't seem to be any way for this code to get reached
in this test, since we never call PostAddInstantAnimationToMainThread. So I've
removed this method altogether.

-    LayerTreeHostAnimationTest::DispatchAddInstantAnimation(
-        layer_to_receive_animation);
-    added_animations_++;
-  }
-
   virtual bool PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
                                      LayerTreeHostImpl::FrameData* frame_data,
                                      bool result) OVERRIDE {