Require explicit selection of traits for LazyInstance

net/cert/ev_root_ca_metadata.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 NET_CERT_EV_ROOT_CA_METADATA_H_
 #define NET_CERT_EV_ROOT_CA_METADATA_H_
 
 #include "build/build_config.h"
 
 #if defined(USE_NSS_CERTS)
 #include <secoidt.h>
 #endif
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "net/base/net_export.h"
 #include "net/cert/x509_certificate.h"
 
 namespace base {
 template <typename T>
-struct DefaultLazyInstanceTraits;
+struct LazyInstanceTraitsBase;
 }  // namespace base
 
 namespace net {
 
 namespace der {
 class Input;
 }  // namespace der
 
 // A singleton.  This class stores the meta data of the root CAs that issue
 // extended-validation (EV) certificates.
@@ skipping 23 matching lines @@
   // AddEVCA adds an EV CA to the list of known EV CAs with the given policy.
   // |policy| is expressed as a string of dotted numbers. It returns true on
   // success.
   bool AddEVCA(const SHA1HashValue& fingerprint, const char* policy);
 
   // RemoveEVCA removes an EV CA that was previously added by AddEVCA. It
   // returns true on success.
   bool RemoveEVCA(const SHA1HashValue& fingerprint);
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<EVRootCAMetadata>;
+  friend struct base::LazyInstanceTraitsBase<EVRootCAMetadata>;
 
   EVRootCAMetadata();
   ~EVRootCAMetadata();
 
 #if defined(USE_NSS_CERTS)
   typedef std::map<SHA1HashValue, std::vector<PolicyOID>,
                    SHA1HashValueLessThan> PolicyOIDMap;
 
   // RegisterOID registers |policy|, a policy OID in dotted string form, and
   // writes the memoized form to |*out|. It returns true on success.
@@ skipping 15 matching lines @@
   PolicyOIDMap ev_policy_;
   std::set<std::string> policy_oids_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(EVRootCAMetadata);
 };
 
 }  // namespace net
 
 #endif  // NET_CERT_EV_ROOT_CA_METADATA_H_