Move QuicPacketCreator::SerializeAllFrames into QuicPacketCreatorPeer.

net/quic/quic_packet_creator.h

Index: net/quic/quic_packet_creator.h
diff --git a/net/quic/quic_packet_creator.h b/net/quic/quic_packet_creator.h
index 4b5e5b258752f86dfdcf3bb678bfc2333f3abfbe..6b979e16475788a334fc795bb5081033bb1dbb15 100644
--- a/net/quic/quic_packet_creator.h
+++ b/net/quic/quic_packet_creator.h
@@ -129,14 +129,6 @@ class NET_EXPORT_PRIVATE QuicPacketCreator {
   // stream |id| at |offset|, false otherwise.
   bool HasRoomForStreamFrame(QuicStreamId id, QuicStreamOffset offset) const;
 
-  // Serializes all frames into a single packet. All frames must fit into a
-  // single packet. Also, sets the entropy hash of the serialized packet to a
-  // random bool and returns that value as a member of SerializedPacket.
-  // Never returns a RetransmittableFrames in SerializedPacket.
-  SerializedPacket SerializeAllFrames(const QuicFrames& frames,
-                                      char* buffer,
-                                      size_t buffer_len);
-
   // Re-serializes frames with the original packet's packet number length.
   // Used for retransmitting packets to ensure they aren't too long.
   // Caller must ensure that any open FEC group is closed before calling this