Remove NSSCryptoModuleDelegate.

chrome/browser/net/nss_context_chromeos.cc

 // Copyright (c) 2013 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 "chrome/browser/net/nss_context.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 100 matching lines @@
       base::Bind(&SetSystemSlot, base::Passed(&system_slot));
 
   net::NSSCertDatabaseChromeOS* db =
       GetNSSCertDatabaseChromeOS(context, callback);
   if (db)
     callback.Run(db);
 }
 
 }  // namespace
 
-crypto::ScopedPK11Slot GetPublicNSSKeySlotForResourceContext(
-    content::ResourceContext* context) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
-  return crypto::GetPublicSlotForChromeOSUser(GetUsername(context));
-}
-
-crypto::ScopedPK11Slot GetPrivateNSSKeySlotForResourceContext(
-    content::ResourceContext* context,
-    const base::Callback<void(crypto::ScopedPK11Slot)>& callback) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
-  return crypto::GetPrivateSlotForChromeOSUser(GetUsername(context), callback);
-}
-
 net::NSSCertDatabase* GetNSSCertDatabaseForResourceContext(
     content::ResourceContext* context,
     const base::Callback<void(net::NSSCertDatabase*)>& callback) {
   return GetNSSCertDatabaseChromeOS(
       context, base::Bind(&CallWithNSSCertDatabase, callback));
 }
 
 void EnableNSSSystemKeySlotForResourceContext(
     content::ResourceContext* context) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   base::Callback<void(crypto::ScopedPK11Slot)> callback =
       base::Bind(&SetSystemSlotOfDBForResourceContext, context);
   crypto::ScopedPK11Slot system_slot = crypto::GetSystemNSSKeySlot(callback);
   if (system_slot)
     callback.Run(std::move(system_slot));
 }