Remove the code to store and load QUIC server configs in the disk cache.

net/quic/chromium/quic_stream_factory_peer.cc

Index: net/quic/chromium/quic_stream_factory_peer.cc
diff --git a/net/quic/chromium/quic_stream_factory_peer.cc b/net/quic/chromium/quic_stream_factory_peer.cc
index ff05043687802dccfbb3a59ee29e0f70bdded6d4..d5f4b5ca35dbc63cdb6c49bc4332deb991bdd849 100644
--- a/net/quic/chromium/quic_stream_factory_peer.cc
+++ b/net/quic/chromium/quic_stream_factory_peer.cc
@@ -119,20 +119,6 @@ size_t QuicStreamFactoryPeer::GetNumberOfActiveJobs(
   return it->second.size();
 }
 
-void QuicStreamFactoryPeer::MaybeInitialize(QuicStreamFactory* factory) {
-  factory->MaybeInitialize();
-}
-
-bool QuicStreamFactoryPeer::HasInitializedData(QuicStreamFactory* factory) {
-  return factory->has_initialized_data_;
-}
-
-bool QuicStreamFactoryPeer::SupportsQuicAtStartUp(QuicStreamFactory* factory,
-                                                  HostPortPair host_port_pair) {
-  return base::ContainsKey(factory->quic_supported_servers_at_startup_,
-                           host_port_pair);
-}
-
 bool QuicStreamFactoryPeer::CryptoConfigCacheIsEmpty(
     QuicStreamFactory* factory,
     const QuicServerId& quic_server_id) {