[chrome/browser/net] favor DCHECK_CURRENTLY_ON for better logs

chrome/browser/net/nss_context_linux.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 "content/public/browser/browser_thread.h"
 #include "crypto/nss_util_internal.h"
 #include "net/cert/nss_cert_database.h"
 
 namespace {
 net::NSSCertDatabase* g_nss_cert_database = NULL;
 }  // namespace
 
 crypto::ScopedPK11Slot GetPublicNSSKeySlotForResourceContext(
     content::ResourceContext* context) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   return crypto::ScopedPK11Slot(crypto::GetPersistentNSSKeySlot());
 }
 
 crypto::ScopedPK11Slot GetPrivateNSSKeySlotForResourceContext(
     content::ResourceContext* context,
     const base::Callback<void(crypto::ScopedPK11Slot)>& callback) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   return crypto::ScopedPK11Slot(crypto::GetPersistentNSSKeySlot());
 }
 
 net::NSSCertDatabase* GetNSSCertDatabaseForResourceContext(
     content::ResourceContext* context,
     const base::Callback<void(net::NSSCertDatabase*)>& callback) {
   // This initialization is not thread safe. This CHECK ensures that this code
   // is only run on a single thread.
   CHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   if (!g_nss_cert_database) {
     // Linux has only a single persistent slot compared to ChromeOS's separate
     // public and private slot.
     // Redirect any slot usage to this persistent slot on Linux.
     g_nss_cert_database = new net::NSSCertDatabase(
         crypto::ScopedPK11Slot(
             crypto::GetPersistentNSSKeySlot()) /* public slot */,
         crypto::ScopedPK11Slot(
             crypto::GetPersistentNSSKeySlot()) /* private slot */);
   }
   return g_nss_cert_database;
 }