Port SSLClientSocket to Linux

base/nss_init.cc

Index: base/nss_init.cc
===================================================================
--- base/nss_init.cc	(revision 3736)
+++ base/nss_init.cc	(working copy)
@@ -6,6 +6,12 @@
 
 #include <nss.h>
 
+// Work around https://bugzilla.mozilla.org/show_bug.cgi?id=455424
+// until NSS 3.12.2 comes out and we update to it.
+#define Lock FOO_NSS_Lock
+#include <ssl.h>
+#undef Lock
+
 #include "base/logging.h"
 #include "base/singleton.h"
 
@@ -15,9 +21,16 @@
  public:
   NSSInitSingleton() {
     CHECK(NSS_NoDB_Init(".") == SECSuccess);
+    // Enable ciphers
+    NSS_SetDomesticPolicy();
+    // Enable SSL
+    SSL_OptionSetDefault(SSL_SECURITY, PR_TRUE);
   }
 
   ~NSSInitSingleton() {
+    // Have to clear the cache, or NSS_Shutdown fails with SEC_ERROR_BUSY
+    SSL_ClearSessionCache();
+
     SECStatus status = NSS_Shutdown();
     DCHECK(status == SECSuccess);
   }