Revert of Add PrivacyMode support to the QuicStreamFactory.

net/quic/quic_session_key.cc

Index: net/quic/quic_session_key.cc
diff --git a/net/quic/quic_session_key.cc b/net/quic/quic_session_key.cc
index 8ffd52490a95a484ebccc1f489117c3a45ead7be..385a1dea95b5d6af6c4ec849f8286d4c55d54165 100644
--- a/net/quic/quic_session_key.cc
+++ b/net/quic/quic_session_key.cc
@@ -11,19 +11,15 @@
 QuicSessionKey::QuicSessionKey() {}
 
 QuicSessionKey::QuicSessionKey(const HostPortPair& host_port_pair,
-                               bool is_https,
-                               PrivacyMode privacy_mode)
+                               bool is_https)
     : host_port_pair_(host_port_pair),
-      is_https_(is_https),
-      privacy_mode_(privacy_mode) {}
+      is_https_(is_https) {}
 
 QuicSessionKey::QuicSessionKey(const string& host,
                                uint16 port,
-                               bool is_https,
-                               PrivacyMode privacy_mode)
+                               bool is_https)
     : host_port_pair_(host, port),
-      is_https_(is_https),
-      privacy_mode_(privacy_mode) {}
+      is_https_(is_https) {}
 
 QuicSessionKey::~QuicSessionKey() {}
 
@@ -31,21 +27,16 @@
   if (!host_port_pair_.Equals(other.host_port_pair_)) {
     return host_port_pair_ < other.host_port_pair_;
   }
-  if (is_https_ != other.is_https_) {
-    return is_https_ < other.is_https_;
-  }
-  return privacy_mode_ < other.privacy_mode_;
+  return is_https_ < other.is_https_;
 }
 
 bool QuicSessionKey::operator==(const QuicSessionKey& other) const {
   return is_https_ == other.is_https_ &&
-      privacy_mode_ == other.privacy_mode_ &&
       host_port_pair_.Equals(other.host_port_pair_);
 }
 
 string QuicSessionKey::ToString() const {
-  return (is_https_ ? "https://" : "http://") + host_port_pair_.ToString() +
-      (privacy_mode_ == kPrivacyModeEnabled ? "/private" : "");
+  return (is_https_ ? "https://" : "http://") + host_port_pair_.ToString();
 }
 
 }  // namespace net