[cc] Remove BeginFrameAck from BFS::DidFinishFrame and update tests.

components/exo/surface.cc

Index: components/exo/surface.cc
diff --git a/components/exo/surface.cc b/components/exo/surface.cc
index 7649a08b9f0f8c956b023ee2a283879555f0afd9..301b8d96cdf52b2cbd112b2769a41e2383775d1d 100644
--- a/components/exo/surface.cc
+++ b/components/exo/surface.cc
@@ -433,14 +433,14 @@ void Surface::Commit() {
 
   if (current_begin_frame_ack_.sequence_number !=
       cc::BeginFrameArgs::kInvalidFrameNumber) {
-    if (begin_frame_source_)
-      begin_frame_source_->DidFinishFrame(this, current_begin_frame_ack_);
     if (!current_begin_frame_ack_.has_damage) {
       compositor_frame_sink_holder_->GetCompositorFrameSink()
           ->DidNotProduceFrame(current_begin_frame_ack_);
     }
     current_begin_frame_ack_.sequence_number =
         cc::BeginFrameArgs::kInvalidFrameNumber;
+    if (begin_frame_source_)
+      begin_frame_source_->DidFinishFrame(this);
   }
 }