Thread IO safety: file_util annotated, IO thread blocked from doing IO

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 136f1380623c743d01c00da37b9885972b559112..324f50c94f381c459c9e9d6145e7e93d10e1d5b2 100644
--- a/net/socket/ssl_client_socket_nss.cc
+++ b/net/socket/ssl_client_socket_nss.cc
@@ -71,6 +71,7 @@
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
+#include "base/thread_restrictions.h"
 #include "base/values.h"
 #include "net/base/address_list.h"
 #include "net/base/cert_status_flags.h"
@@ -176,6 +177,11 @@ class NSSSSLInitSingleton {
 // thread-safe, and the NSS SSL library will only ever be initialized once.
 // The NSS SSL library will be properly shut down on program exit.
 void EnsureNSSSSLInit() {
+  // Initializing SSL causes us to do blocking IO.
+  // Temporarily allow it until we fix
+  //   http://code.google.com/p/chromium/issues/detail?id=59847
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+
   Singleton<NSSSSLInitSingleton>::get();
 }