Move ObserverList to base namespace.

net/cert/cert_database.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_CERT_DATABASE_H_
 #define NET_CERT_CERT_DATABASE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_export.h"
 #include "net/cert/x509_certificate.h"
 
 template <typename T> struct DefaultSingletonTraits;
+
+namespace base {
 template <class ObserverType> class ObserverListThreadSafe;
+}
 
 namespace net {
 
 // This class provides cross-platform functions to verify and add user
 // certificates, and to observe changes to the underlying certificate stores.
 
 // TODO(gauravsh): This class could be augmented with methods
 // for all operations that manipulate the underlying system
 // certificate store.
 
@@ skipping 73 matching lines @@
   void NotifyObserversOfCertAdded(const X509Certificate* cert);
   void NotifyObserversOfCertRemoved(const X509Certificate* cert);
   void NotifyObserversOfCACertChanged(const X509Certificate* cert);
 
  private:
   friend struct DefaultSingletonTraits<CertDatabase>;
 
   CertDatabase();
   ~CertDatabase();
 
-  const scoped_refptr<ObserverListThreadSafe<Observer> > observer_list_;
+  const scoped_refptr<base::ObserverListThreadSafe<Observer>> observer_list_;
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
   class Notifier;
   friend class Notifier;
   scoped_ptr<Notifier> notifier_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(CertDatabase);
 };
 
 }  // namespace net
 
 #endif  // NET_CERT_CERT_DATABASE_H_