Linux: enable building with a local version of libssl.

net/socket/ssl_client_socket_nss.cc

Index: net/socket/ssl_client_socket_nss.cc
diff --git a/net/socket/ssl_client_socket_nss.cc b/net/socket/ssl_client_socket_nss.cc
index 6aa0e88fb9ea1ff5a87d4244ba9d95ee0934bf3c..bc13d2a0a6b37d0f42af46d9266a4aa39d61c0e5 100644
--- a/net/socket/ssl_client_socket_nss.cc
+++ b/net/socket/ssl_client_socket_nss.cc
@@ -356,6 +356,12 @@ int SSLClientSocketNSS::InitializeSSLOptions() {
   #error "You need to install NSS-3.12 or later to build chromium"
 #endif
 
+#ifdef SSL_ENABLE_DEFLATE
+  rv = SSL_OptionSet(nss_fd_, SSL_ENABLE_DEFLATE, PR_TRUE);
+  if (rv != SECSuccess)
+     LOG(INFO) << "SSL_ENABLE_DEFLATE failed.  Old system nss?";
+#endif
+
   rv = SSL_OptionSet(nss_fd_, SSL_HANDSHAKE_AS_CLIENT, PR_TRUE);
   if (rv != SECSuccess)
      return ERR_UNEXPECTED;