Implement SSLConfigService::Observer in QuicStreamFactory

net/quic/quic_stream_factory.h

Index: net/quic/quic_stream_factory.h
diff --git a/net/quic/quic_stream_factory.h b/net/quic/quic_stream_factory.h
index b1dd20a0542a09e6f4b58890bfdad5e72d5ae396..c73268045f7bc3774c9ecd1deda53d031a34e084 100644
--- a/net/quic/quic_stream_factory.h
+++ b/net/quic/quic_stream_factory.h
@@ -25,6 +25,7 @@
 #include "net/quic/quic_crypto_stream.h"
 #include "net/quic/quic_http_stream.h"
 #include "net/quic/quic_protocol.h"
+#include "net/ssl/ssl_config_service.h"
 
 namespace net {
 
@@ -98,6 +99,7 @@ class NET_EXPORT_PRIVATE QuicStreamRequest {
 // QuicChromiumClientSessions.
 class NET_EXPORT_PRIVATE QuicStreamFactory
     : public NetworkChangeNotifier::IPAddressObserver,
+      public SSLConfigService::Observer,
       public CertDatabase::Observer {
  public:
   QuicStreamFactory(
@@ -196,6 +198,11 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
   // IP address changes.
   void OnIPAddressChanged() override;
 
+  // SSLConfigService::Observer methods:
+
+  // We perform the same flushing as described above when SSL settings change.
+  void OnSSLConfigChanged() override;
+
   // CertDatabase::Observer methods:
 
   // We close all sessions when certificate database is changed.