Implements new, more robust design for communicating between SSLConnectJobs.

net/socket/ssl_client_socket.cc

Index: net/socket/ssl_client_socket.cc
diff --git a/net/socket/ssl_client_socket.cc b/net/socket/ssl_client_socket.cc
index 1b2fe144304955bd0c423aca96d90226c45d7f4a..a2e294a38b9fbdf6eba508d9a31255c2864018a2 100644
--- a/net/socket/ssl_client_socket.cc
+++ b/net/socket/ssl_client_socket.cc
@@ -7,6 +7,7 @@
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 #include "crypto/ec_private_key.h"
+#include "net/base/host_port_pair.h"
 #include "net/ssl/server_bound_cert_service.h"
 #include "net/ssl/ssl_config_service.h"
 
@@ -103,6 +104,16 @@ NextProto SSLClientSocket::GetNegotiatedProtocol() const {
   return protocol_negotiated_;
 }
 
+// static
+std::string SSLClientSocket::CreateSessionCacheKey(
+    const HostPortPair& host_and_port,
+    const std::string& ssl_session_cache_shard) {
+  std::string result = host_and_port.ToString();
+  result.append("/");
+  result.append(ssl_session_cache_shard);
+  return result;
+}
+
 bool SSLClientSocket::IgnoreCertError(int error, int load_flags) {
   if (error == OK || load_flags & LOAD_IGNORE_ALL_CERT_ERRORS)
     return true;