Remove usage of singleton software_slot_ in nss on ChromeOS

crypto/nss_util_internal.h

 // Copyright (c) 2012 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 CRYPTO_NSS_UTIL_INTERNAL_H_
 #define CRYPTO_NSS_UTIL_INTERNAL_H_
 
 #include <secmodt.h>
 
 #include "base/callback.h"
@@ skipping 29 matching lines @@
   AutoSECMODListReadLock();
   ~AutoSECMODListReadLock();
 
  private:
   SECMODListLock* lock_;
   DISALLOW_COPY_AND_ASSIGN(AutoSECMODListReadLock);
 };
 
 #if defined(OS_CHROMEOS)
 // Prepare per-user NSS slot mapping. It is safe to call this function multiple
-// times. Returns true if the user was added, or false if it already existed.
+// times. If |provisional| is set, the user's mapping and public NSS slot will
+// get initialized, but another |InitializeNSSForChromeOSUser| call will be
+// required before the mapping becomes usable.
+// Returns true if the user was added or confimed, false if it already

[Ryan Sleevi, 2014/07/01 18:51:33]

typo: confirmed?

+// existed and was not provisional.
 CRYPTO_EXPORT bool InitializeNSSForChromeOSUser(
     const std::string& email,
     const std::string& username_hash,
-    bool is_primary_user,
-    const base::FilePath& path) WARN_UNUSED_RESULT;
+    const base::FilePath& path,
+    bool provisional) WARN_UNUSED_RESULT;
 
 // Use TPM slot |slot_id| for user.  InitializeNSSForChromeOSUser must have been
 // called first.
 CRYPTO_EXPORT void InitializeTPMForChromeOSUser(
     const std::string& username_hash,
     CK_SLOT_ID slot_id);
 
 // Use the software slot as the private slot for user.
 // InitializeNSSForChromeOSUser must have been called first.
 CRYPTO_EXPORT void InitializePrivateSoftwareSlotForChromeOSUser(
     const std::string& username_hash);
 
 // Returns a reference to the public slot for user.
 CRYPTO_EXPORT ScopedPK11Slot GetPublicSlotForChromeOSUser(
     const std::string& username_hash) WARN_UNUSED_RESULT;
 
 // Returns the private slot for |username_hash| if it is loaded. If it is not
 // loaded and |callback| is non-null, the |callback| will be run once the slot
 // is loaded.
 CRYPTO_EXPORT ScopedPK11Slot GetPrivateSlotForChromeOSUser(
     const std::string& username_hash,
     const base::Callback<void(ScopedPK11Slot)>& callback) WARN_UNUSED_RESULT;
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace crypto
 
 #endif  // CRYPTO_NSS_UTIL_INTERNAL_H_