Make USE_OPENSSL and USE_NSS mutually exclusive

chrome/app/chrome_dll_main.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // TODO(port): the ifdefs in here are a first step towards trying to determine
 // the correct abstraction for all the OS functionality required at this
 // stage of process initialization. It should not be taken as a final
 // abstraction.
 
 #include "build/build_config.h"
@@ skipping 908 matching lines @@
     std::string sandbox_cmd;
     if (sandbox_binary && !parsed_command_line.HasSwitch(switches::kNoSandbox))
       sandbox_cmd = sandbox_binary;
 
     // Tickle the sandbox host and zygote host so they fork now.
     RenderSandboxHostLinux* shost = Singleton<RenderSandboxHostLinux>::get();
     shost->Init(sandbox_cmd);
     ZygoteHost* zhost = Singleton<ZygoteHost>::get();
     zhost->Init(sandbox_cmd);
 
+#if defined(USE_NSS)
     // We want to be sure to init NSPR on the main thread.
     base::EnsureNSPRInit();
+#endif
 
     g_thread_init(NULL);
     // Glib type system initialization. Needed at least for gconf,
     // used in net/proxy/proxy_config_service_linux.cc. Most likely
     // this is superfluous as gtk_init() ought to do this. It's
     // definitely harmless, so retained as a reminder of this
     // requirement for gconf.
     g_type_init();
     // We use glib-dbus for geolocation and it's possible other libraries
     // (e.g. gnome-keyring) will use it, so initialize its threading here
@@ skipping 24 matching lines @@
 
   logging::CleanupChromeLogging();
 
 #if defined(OS_MACOSX) && defined(GOOGLE_CHROME_BUILD)
   // TODO(mark): See the TODO(mark) above at InitCrashReporter.
   DestructCrashReporter();
 #endif  // OS_MACOSX && GOOGLE_CHROME_BUILD
 
   return rv;
 }