Add PrivacyMode support to the QuicStreamFactory.

net/quic/quic_session_key.h

Index: net/quic/quic_session_key.h
diff --git a/net/quic/quic_session_key.h b/net/quic/quic_session_key.h
index 12975fa5d2c78ecf8e58799e91155279c509656b..6cd43e7b9c93cda7cf190233cf2e047bb9222122 100644
--- a/net/quic/quic_session_key.h
+++ b/net/quic/quic_session_key.h
@@ -9,6 +9,7 @@
 
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
+#include "net/base/privacy_mode.h"
 
 namespace net {
 
@@ -16,8 +17,13 @@ namespace net {
 class NET_EXPORT_PRIVATE QuicSessionKey {
  public:
   QuicSessionKey();
-  QuicSessionKey(const HostPortPair& host_port_pair, bool is_https);
-  QuicSessionKey(const std::string& host, uint16 port, bool is_https);
+  QuicSessionKey(const HostPortPair& host_port_pair,
+                 bool is_https,
+                 PrivacyMode privacy_mode);
+  QuicSessionKey(const std::string& host,
+                 uint16 port,
+                 bool is_https,
+                 PrivacyMode privacy_mode);
   ~QuicSessionKey();
 
   // Needed to be an element of std::set.
@@ -38,9 +44,12 @@ class NET_EXPORT_PRIVATE QuicSessionKey {
 
   bool is_https() const { return is_https_; }
 
+  PrivacyMode privacy_mode() const { return privacy_mode_; }
+
  private:
   HostPortPair host_port_pair_;
   bool is_https_;
+  PrivacyMode privacy_mode_;
 };
 
 }  // namespace net