Various formatting cleanups to net/quic/core/frames

net/quic/core/frames/quic_stop_waiting_frame.h

Index: net/quic/core/frames/quic_stop_waiting_frame.h
diff --git a/net/quic/core/frames/quic_stop_waiting_frame.h b/net/quic/core/frames/quic_stop_waiting_frame.h
index 9ca94fd2daf06f78a30cafe0506f698fea372edb..1c02a7768c359216f244c971b2df6bf5a28ff5d7 100644
--- a/net/quic/core/frames/quic_stop_waiting_frame.h
+++ b/net/quic/core/frames/quic_stop_waiting_frame.h
@@ -5,6 +5,8 @@
 #ifndef NET_QUIC_CORE_FRAMES_QUIC_STOP_WAITING_FRAME_H_
 #define NET_QUIC_CORE_FRAMES_QUIC_STOP_WAITING_FRAME_H_
 
+#include <ostream>
+
 #include "net/quic/core/quic_types.h"
 #include "net/quic/platform/api/quic_export.h"
 
@@ -17,6 +19,7 @@ struct QUIC_EXPORT_PRIVATE QuicStopWaitingFrame {
   friend QUIC_EXPORT_PRIVATE std::ostream& operator<<(
       std::ostream& os,
       const QuicStopWaitingFrame& s);
+
   // Path which this stop waiting frame belongs to.
   QuicPathId path_id;
   // The lowest packet we've sent which is unacked, and we expect an ack for.