Make LayerTreeHost::animateLayers take a wall clock time in addition to a monotonic time

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 67ac48c057bc6ea963419c4a5d34034bf2e5ae6c..6967f23e77419a005be9dcd121dcdb0fdee12057 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 wallClockTime);
     void didStopFlinging();
     void layout();
     void beginCommitOnImplThread(LayerTreeHostImpl*);
@@ -226,7 +226,7 @@ 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);