This CL changes the lifespan of SSLConnectJobMessengers so that they are created only when needed,

net/socket/ssl_client_socket.h

Index: net/socket/ssl_client_socket.h
diff --git a/net/socket/ssl_client_socket.h b/net/socket/ssl_client_socket.h
index e8e35385c8a552faf848dc9282259a9fd217aa10..97848a5246a568d6c56d9ef2ad6bdd251227e514 100644
--- a/net/socket/ssl_client_socket.h
+++ b/net/socket/ssl_client_socket.h
@@ -81,11 +81,7 @@ class NET_EXPORT SSLClientSocket : public SSLSocket {
   virtual bool WasNpnNegotiated() const OVERRIDE;
   virtual NextProto GetNegotiatedProtocol() const OVERRIDE;
 
-  // Format a unique key for the SSL session cache. This method
-  // is necessary so that all classes create cache keys in a consistent
-  // manner.
-  static std::string FormatSessionCacheKey(std::string host_and_port,
-                                           std::string ssl_session_cache_shard);
+  virtual std::string GetSessionCacheKey() const = 0;
 
   // Returns true if there is a cache entry in the ssl session cache
   // for the given cache key.