Add an explicit function to init NSS for SSL server sockets

net/socket/nss_ssl_util.cc

Index: net/socket/nss_ssl_util.cc
diff --git a/net/socket/nss_ssl_util.cc b/net/socket/nss_ssl_util.cc
index b92600aad6e4c0bb6fac6c3e73225c9b43f43800..7ea3baf2488943d866069168868a8cfbcbdb6afd 100644
--- a/net/socket/nss_ssl_util.cc
+++ b/net/socket/nss_ssl_util.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "net/socket/nss_ssl_util.h"
+#include "net/socket/nss_ssl_util_internal.h"
 
 #include <nss.h>
 #include <secerr.h>
@@ -22,6 +23,8 @@
 
 namespace net {
 
+namespace {
+
 class NSSSSLInitSingleton {
  public:
   NSSSSLInitSingleton() {
@@ -69,9 +72,27 @@ class NSSSSLInitSingleton {
   }
 };
 
+class NSSSSLServerInitSingleton {
+ public:
+  NSSSSLServerInitSingleton() {
+    EnsureNSSSSLInit();
+
+    SSL_ConfigServerSessionIDCache(1024, 5, 5, NULL);
+  }
+
+  ~NSSSSLServerInitSingleton() {
+    SSL_ShutdownServerSessionIDCache();
+  }
+};
+
 static base::LazyInstance<NSSSSLInitSingleton> g_nss_ssl_init_singleton =
     LAZY_INSTANCE_INITIALIZER;
 
+static base::LazyInstance<NSSSSLServerInitSingleton>
+    g_nss_ssl_server_init_singleton = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
 // Initialize the NSS SSL library if it isn't already initialized.  This must
 // be called before any other NSS SSL functions.  This function is
 // thread-safe, and the NSS SSL library will only ever be initialized once.
@@ -85,6 +106,10 @@ void EnsureNSSSSLInit() {
   g_nss_ssl_init_singleton.Get();
 }
 
+void EnsureNSSSSLServerInit() {
+  g_nss_ssl_server_init_singleton.Get();
+}
+
 // Map a Chromium net error code to an NSS error code.
 // See _MD_unix_map_default_error in the NSS source
 // tree for inspiration.