Remove QuicPacketCreator::AddSavedFrame() and make QuicPacketCreator::AddFrame() public.

gfe-relnote: no behavior change. Not protected.
PiperOrigin-RevId: 281456340
Change-Id: I53bccacca15c04573e3b3fca17f591414e997ba9
diff --git a/quic/core/quic_packet_creator.h b/quic/core/quic_packet_creator.h
index 7460502..8e066a9 100644
--- a/quic/core/quic_packet_creator.h
+++ b/quic/core/quic_packet_creator.h
@@ -195,8 +195,7 @@
   // Tries to add |frame| to the packet creator's list of frames to be
   // serialized. If the frame does not fit into the current packet, flushes the
   // packet and returns false.
-  bool AddSavedFrame(const QuicFrame& frame,
-                     TransmissionType transmission_type);
+  bool AddFrame(const QuicFrame& frame, TransmissionType transmission_type);
 
   // Identical to AddSavedFrame, but allows the frame to be padded.
   bool AddPaddedSavedFrame(const QuicFrame& frame,
@@ -446,11 +445,6 @@
 
   void FillPacketHeader(QuicPacketHeader* header);
 
-  // Adds a |frame| if there is space and returns false and flushes all pending
-  // frames if there isn't room.
-  bool AddFrame(const QuicFrame& frame,
-                TransmissionType transmission_type);
-
   // Adds a padding frame to the current packet (if there is space) when (1)
   // current packet needs full padding or (2) there are pending paddings.
   void MaybeAddPadding();