Inline QUIC ack and stop waiting processing, because it's only called from one location each.

net/quic/core/quic_connection.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.
 //
 // The entity that handles framing writes for a Quic client or server.
 // Each QuicSession will have a connection associated with it.
 //
 // On the server side, the Dispatcher handles the raw reads, and hands off
 // packets via ProcessUdpPacket for framing and processing.
 //
@@ skipping 776 matching lines @@
   // Writes as many pending retransmissions as possible.
   void WritePendingRetransmissions();
 
   // Queues |packet| in the hopes that it can be decrypted in the
   // future, when a new key is installed.
   void QueueUndecryptablePacket(const QuicEncryptedPacket& packet);
 
   // Attempts to process any queued undecryptable packets.
   void MaybeProcessUndecryptablePackets();
 
-  void ProcessAckFrame(const QuicAckFrame& incoming_ack);
-
-  void ProcessStopWaitingFrame(const QuicStopWaitingFrame& stop_waiting);
-
   // Sends any packets which are a response to the last packet, including both
   // acks and pending writes if an ack opened the congestion window.
   void MaybeSendInResponseToPacket();
 
   // Queue an ack or set the ack alarm if needed.  |was_missing| is true if
   // the most recently received packet was formerly missing.
   void MaybeQueueAck(bool was_missing);
 
   // Gets the least unacked packet number, which is the next packet number to be
   // sent if there are no outstanding packets.
@@ skipping 275 matching lines @@
   // Indicates whether a write error is encountered currently. This is used to
   // avoid infinite write errors.
   bool write_error_occured_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_QUIC_CONNECTION_H_