Not for review: Enable accelerated animations for orphaned layers

cc/layer_tree_host.h

Index: cc/layer_tree_host.h
diff --git a/cc/layer_tree_host.h b/cc/layer_tree_host.h
index a45c1c1ee1e1941313d8b85a4c1bfaad51a9fd0f..0760f0aad23217224cc8bbfcb4b007cf671ee9fd 100644
--- a/cc/layer_tree_host.h
+++ b/cc/layer_tree_host.h
@@ -89,7 +89,7 @@ public:
     // LayerTreeHost interface to Proxy.
     void willBeginFrame() { m_client->willBeginFrame(); }
     void didBeginFrame();
-    void updateAnimations(base::TimeTicks monotonicFrameBeginTime);
+    void updateAnimations(base::TimeTicks monotonicFrameBeginTime, base::Time wallClockFrameBeginTime);
     void didStopFlinging();
     void layout();
     void beginCommitOnImplThread(LayerTreeHostImpl*);
@@ -200,6 +200,8 @@ public:
 
     bool blocksPendingCommit() const;
 
+    void didUpdateLayout();
+
 protected:
     LayerTreeHost(LayerTreeHostClient*, const LayerTreeSettings&);
     bool initialize(scoped_ptr<Thread> implThread);
@@ -223,7 +225,7 @@ private:
     void setPrioritiesForLayers(const LayerList&);
     size_t calculateMemoryForRenderSurfaces(const LayerList& updateList);
 
-    void animateLayers(base::TimeTicks monotonicTime);
+    void animateLayers(base::TimeTicks monotonicTime, base::Time wallClockTime);
     bool animateLayersRecursive(Layer* current, base::TimeTicks time);
     void setAnimationEventsRecursive(const AnimationEventsVector&, Layer*, base::Time wallClockTime);