Replace c/b/nss_context by a KeyedService.

crypto/nss_util.cc

 // 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.
 
 #include "crypto/nss_util.h"
 #include "crypto/nss_util_internal.h"
 
 #include <nss.h>
 #include <pk11pub.h>
 #include <plarena.h>
@@ skipping 197 matching lines @@
              << GetNSSErrorMessage();
   LOG(FATAL) << "nss_error=" << nss_error << ", os_error=" << os_error;
 }
 
 #if defined(OS_CHROMEOS)
 class ChromeOSUserData {
  public:
   explicit ChromeOSUserData(ScopedPK11Slot public_slot)
       : public_slot_(public_slot.Pass()),
         private_slot_initialization_started_(false) {
-    CHECK(public_slot);
+    CHECK(public_slot_);
   }
 
   ~ChromeOSUserData() {
     SECStatus status = SECMOD_CloseUserDB(public_slot_.get());
     if (status != SECSuccess)
       PLOG(ERROR) << "SECMOD_CloseUserDB failed: " << PORT_GetError();
   }
 
   ScopedPK11Slot GetPublicSlot() {
     return ScopedPK11Slot(PK11_ReferenceSlot(public_slot_.get()));
@@ skipping 865 matching lines @@
   return time.ToInternalValue() - base::Time::UnixEpoch().ToInternalValue();
 }
 
 #if !defined(OS_CHROMEOS)
 PK11SlotInfo* GetPersistentNSSKeySlot() {
   return g_nss_singleton.Get().GetPersistentNSSKeySlot();
 }
 #endif
 
 }  // namespace crypto