Pulls out QuicConnection alarm cancellation into method. No behavior change.

net/quic/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 662 matching lines @@
     return packet_generator_;
   }
 
   EncryptionLevel encryption_level() const { return encryption_level_; }
 
   const IPEndPoint& last_packet_source_address() const {
     return last_packet_source_address_;
   }
 
  protected:
+  // Calls cancel() on all the alarms owned by this connection.
+  void CancelAllAlarms();
+
   // Send a packet to the peer, and takes ownership of the packet if the packet
   // cannot be written immediately.
   virtual void SendOrQueuePacket(SerializedPacket* packet);
 
   // Called after a packet is received from a new peer address on existing
   // |path_id| and is decrypted. Starts validation of peer's address change.
   virtual void StartPeerMigration(QuicPathId path_id,
                                   PeerAddressChangeType peer_migration_type);
 
   // Called when a peer address migration is validated on |path_id|.
@@ skipping 371 matching lines @@
 
   // If true, multipath is enabled for this connection.
   bool multipath_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_H_