cc: Toward merging DrawFrame and SwapBuffers in DelegatingRenderer.

cc/trees/proxy_impl.cc

Index: cc/trees/proxy_impl.cc
diff --git a/cc/trees/proxy_impl.cc b/cc/trees/proxy_impl.cc
index 3a6f2db319847a10c0e1d43e28c366f80a0bb220..0917dbebdbbde22e83e3564bf9650020b279ed4a 100644
--- a/cc/trees/proxy_impl.cc
+++ b/cc/trees/proxy_impl.cc
@@ -618,16 +618,17 @@ DrawResult ProxyImpl::DrawAndSwapInternal(bool forced_draw) {
   } else {
     DCHECK_NE(DRAW_SUCCESS, result);
   }
-  layer_tree_host_impl_->DidDrawAllLayers(frame);
-
-  bool start_ready_animations = draw_frame;
-  layer_tree_host_impl_->UpdateAnimationState(start_ready_animations);
 
   if (draw_frame) {
     if (layer_tree_host_impl_->SwapBuffers(frame))
       scheduler_->DidSwapBuffers();
   }
 
+  layer_tree_host_impl_->DidDrawAllLayers(frame);
+
+  bool start_ready_animations = draw_frame;
+  layer_tree_host_impl_->UpdateAnimationState(start_ready_animations);
+
   // Tell the main thread that the the newly-commited frame was drawn.
   if (next_frame_is_newly_committed_frame_) {
     next_frame_is_newly_committed_frame_ = false;