Ref count layer animation controllers.

cc/layer_tree_host_unittest.cc

Index: cc/layer_tree_host_unittest.cc
diff --git a/cc/layer_tree_host_unittest.cc b/cc/layer_tree_host_unittest.cc
index b8d79d9cf42289d77aa64fdbe7401c96fc173fa7..50088dbe9c4739dfc66c60fc9ec6fb074541b93f 100644
--- a/cc/layer_tree_host_unittest.cc
+++ b/cc/layer_tree_host_unittest.cc
@@ -604,12 +604,12 @@ public:
         postAddInstantAnimationToMainThread();
     }
 
-    virtual void animateLayers(LayerTreeHostImpl* layerTreeHostImpl, base::TimeTicks monotonicTime) OVERRIDE
+    virtual void animateLayers(LayerTreeHostImpl* layerTreeHostImpl, base::TimeTicks monotonicTime, bool hasUnfinishedAnimation) OVERRIDE
     {
         if (!m_numAnimates) {
             // The animation had zero duration so layerTreeHostImpl should no
             // longer need to animate its layers.
-            EXPECT_FALSE(layerTreeHostImpl->needsAnimateLayers());
+            EXPECT_FALSE(hasUnfinishedAnimation);
             m_numAnimates++;
             m_firstMonotonicTime = monotonicTime;
             return;
@@ -659,7 +659,7 @@ public:
     {
     }
 
-    virtual void animateLayers(LayerTreeHostImpl* layerTreeHostImpl, base::TimeTicks monotonicTime) OVERRIDE
+    virtual void animateLayers(LayerTreeHostImpl* layerTreeHostImpl, base::TimeTicks monotonicTime, bool hasUnfinishedAnimation) OVERRIDE
     {
         m_startedAnimating = true;
     }
@@ -736,7 +736,7 @@ public:
         postAddAnimationToMainThread(m_layerTreeHost->rootLayer());
     }
 
-    virtual void animateLayers(LayerTreeHostImpl* layerTreeHostImpl, base::TimeTicks monotonicTime) OVERRIDE
+    virtual void animateLayers(LayerTreeHostImpl* layerTreeHostImpl, base::TimeTicks monotonicTime, bool hasUnfinishedAnimation) OVERRIDE
     {
         const ActiveAnimation* animation = m_layerTreeHost->rootLayer()->layerAnimationController()->getActiveAnimation(0, ActiveAnimation::Opacity);
         if (!animation)