[cc] Remove remaining_frames from BeginFrameAck.

components/exo/surface.cc

Index: components/exo/surface.cc
diff --git a/components/exo/surface.cc b/components/exo/surface.cc
index b213ba1dd1cf37712aee2c13e65162e6df0aa7eb..57a45f616823460b66219c4fb8775de0936aef05 100644
--- a/components/exo/surface.cc
+++ b/components/exo/surface.cc
@@ -640,7 +640,7 @@ void Surface::UpdateNeedsBeginFrame() {
 
 bool Surface::OnBeginFrameDerivedImpl(const cc::BeginFrameArgs& args) {
   current_begin_frame_ack_ = cc::BeginFrameAck(
-      args.source_id, args.sequence_number, args.sequence_number, 0, false);
+      args.source_id, args.sequence_number, args.sequence_number, false);
   while (!active_frame_callbacks_.empty()) {
     active_frame_callbacks_.front().Run(args.frame_time);
     active_frame_callbacks_.pop_front();