Implement the variable length changes necessary to easily accommodate

net/quic/quic_framer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_QUIC_QUIC_FRAMER_H_
 #define NET_QUIC_QUIC_FRAMER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 204 matching lines @@
 
   // Pass a data packet that was revived from FEC data into the framer
   // for parsing.
   // Return true if the packet was processed succesfully. |payload| must be
   // the complete DECRYPTED payload of the revived packet.
   bool ProcessRevivedPacket(QuicPacketHeader* header,
                             base::StringPiece payload);
 
   // Size in bytes of all stream frame fields without the payload.
   static size_t GetMinStreamFrameSize();
+  // Size in bytes of all stream frame fields without the payload.
+  static size_t GetMinStreamFrameSize(QuicStreamId stream_id,
+                                      QuicStreamOffset offset,
+                                      bool last_frame);
   // Size in bytes of all ack frame fields without the missing packets.
   static size_t GetMinAckFrameSize();
   // Size in bytes of all reset stream frame without the error details.
   static size_t GetMinRstStreamFrameSize();
   // Size in bytes of all connection close frame fields without the error
   // details and the missing packets from the enclosed ack frame.
   static size_t GetMinConnectionCloseFrameSize();
   // Size in bytes of all GoAway frame fields without the reason phrase.
   static size_t GetMinGoAwayFrameSize();
   // The maximum number of nacks which can be transmitted in a single ack packet
   // without exceeding kMaxPacketSize.
   static size_t GetMaxUnackedPackets(QuicPacketHeader header);
+  // Size in bytes required to serialize the stream id.
+  static size_t GetStreamIdSize(QuicStreamId stream_id);
+  // Size in bytes required to serialize the stream offset.
+  static size_t GetStreamOffsetSize(QuicStreamOffset offset);
   // Size in bytes required for a serialized version negotiation packet
   size_t GetVersionNegotiationPacketSize(size_t number_versions);
 
   // Returns the number of bytes added to the packet for the specified frame,
   // and 0 if the frame doesn't fit.  Includes the header size for the first
   // frame.
   size_t GetSerializedFrameLength(
       const QuicFrame& frame, size_t free_bytes, bool first_frame);
 
   // Returns the associated data from the encrypted packet |encrypted| as a
@@ skipping 113 matching lines @@
   bool DecryptPayload(const QuicPacketHeader& header,
                       const QuicEncryptedPacket& packet);
 
   // Returns the full packet sequence number from the truncated
   // wire format version and the last seen packet sequence number.
   QuicPacketSequenceNumber CalculatePacketSequenceNumberFromWire(
       QuicSequenceNumberLength sequence_number_length,
       QuicPacketSequenceNumber packet_sequence_number) const;
 
   // Computes the wire size in bytes of the payload of |frame|.
-  size_t ComputeFrameLength(const QuicFrame& frame);
+  size_t ComputeFrameLength(const QuicFrame& frame, bool last_frame);
 
   static bool AppendPacketSequenceNumber(
       QuicSequenceNumberLength sequence_number_length,
       QuicPacketSequenceNumber packet_sequence_number,
       QuicDataWriter* writer);
 
   bool AppendStreamFramePayload(const QuicStreamFrame& frame,
                                 QuicDataWriter* builder);
   bool AppendAckFramePayload(const QuicAckFrame& frame,
                              QuicDataWriter* builder);
@@ skipping 47 matching lines @@
   // The time this frames was created.  Time written to the wire will be
   // written as a delta from this value.
   QuicTime creation_time_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicFramer);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_FRAMER_H_