Load additional NSS library files in zygote main if remoting is enabled

base/nss_util.h

 // 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.
 
 #ifndef BASE_NSS_UTIL_H_
 #define BASE_NSS_UTIL_H_
 #pragma once
 
 #include "base/basictypes.h"
 
@@ skipping 47 matching lines @@
 // NSS checks whether it is running a forked process to avoid problems when
 // using user security modules in a forked process.  However if we are sure
 // there are no modules loaded before the process is forked then there is no
 // harm disabling the check.
 //
 // This method must be called before EnsureNSSInit() to take effect.
 //
 // WARNING: Use this with caution.
 void DisableNSSForkCheck();
 
+// Load NSS library files. This function has no effect on Mac and Windows.
+// This loads the necessary NSS library files so that NSS can be initialized
+// after loading additional library files is disallowed, for example when the
+// sandbox is active.
+//
+// Note that this does not load libnssckbi.so which contains the root
+// certificates.
+void LoadNSSLibraries();
+
 // Check if the current NSS version is greater than or equals to |version|.
 // A sample version string is "3.12.3".
 bool CheckNSSVersion(const char* version);
 
 #if defined(OS_CHROMEOS)
 // Open the r/w nssdb that's stored inside the user's encrypted home directory.
 void OpenPersistentNSSDB();
 #endif
 
 // Convert a NSS PRTime value into a base::Time object.
@@ skipping 26 matching lines @@
  private:
   Lock *lock_;
   DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock);
 };
 
 #endif  // defined(USE_NSS)
 
 }  // namespace base
 
 #endif  // BASE_NSS_UTIL_H_