Add a convenience typedef LazyInstance<T>::Leaky to avoid repeating T.

net/ocsp/nss_ocsp.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 "net/ocsp/nss_ocsp.h"
 
 #include <certt.h>
 #include <certdb.h>
 #include <ocsp.h>
 #include <nspr.h>
@@ skipping 69 matching lines @@
   bool shutdown_;  // Protected by |lock_|.
   std::set<OCSPRequestSession*> requests_;  // Protected by |lock_|.
   bool used_;  // Protected by |lock_|.
   // This should not be modified after |used_|.
   MessageLoopForIO* io_loop_;  // Protected by |lock_|.
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(OCSPIOLoop);
 };
 
-base::LazyInstance<OCSPIOLoop, base::LeakyLazyInstanceTraits<OCSPIOLoop> >
+base::LazyInstance<OCSPIOLoop>::Leaky
     g_ocsp_io_loop = LAZY_INSTANCE_INITIALIZER;
 
 const int kRecvBufferSize = 4096;
 
 // All OCSP handlers should be called in the context of
 // CertVerifier's thread (i.e. worker pool, not on the I/O thread).
 // It supports blocking mode only.
 
 SECStatus OCSPCreateSession(const char* host, PRUint16 portnum,
                             SEC_HTTP_SERVER_SESSION* pSession);
@@ skipping 837 matching lines @@
 void SetURLRequestContextForOCSP(URLRequestContext* request_context) {
   pthread_mutex_lock(&g_request_context_lock);
   if (request_context) {
     DCHECK(!g_request_context);
   }
   g_request_context = request_context;
   pthread_mutex_unlock(&g_request_context_lock);
 }
 
 }  // namespace net