Move the NSS functions out of CertDatabase into a new NSSCertDatabase class.

net/base/ssl_client_auth_cache.h

Index: net/base/ssl_client_auth_cache.h
diff --git a/net/base/ssl_client_auth_cache.h b/net/base/ssl_client_auth_cache.h
index 6bfa8e6a2f2489a503f14b46f73cd470706e3547..f8175d26b619d671cefce19d708f54aa246acc17 100644
--- a/net/base/ssl_client_auth_cache.h
+++ b/net/base/ssl_client_auth_cache.h
@@ -47,7 +47,7 @@ class NET_EXPORT_PRIVATE SSLClientAuthCache : public CertDatabase::Observer {
   void Remove(const std::string& server);
 
   // CertDatabase::Observer methods:
-  virtual void OnUserCertAdded(const X509Certificate* cert) OVERRIDE;
+  virtual void OnCertAdded(const X509Certificate* cert) OVERRIDE;
 
  private:
   typedef std::string AuthCacheKey;