Remove the deprecated NSSCertDatabase::GetInstance() .

net/cert/nss_cert_database_chromeos.cc

Index: net/cert/nss_cert_database_chromeos.cc
diff --git a/net/cert/nss_cert_database_chromeos.cc b/net/cert/nss_cert_database_chromeos.cc
index 41852a742a73bc72c8ec3d5a8130d6e15bc0a452..60f7f2ee64a8b4cdc49f9e2ada25d1996dbbc1d6 100644
--- a/net/cert/nss_cert_database_chromeos.cc
+++ b/net/cert/nss_cert_database_chromeos.cc
@@ -21,8 +21,7 @@ namespace net {
 NSSCertDatabaseChromeOS::NSSCertDatabaseChromeOS(
     crypto::ScopedPK11Slot public_slot,
     crypto::ScopedPK11Slot private_slot)
-    : public_slot_(public_slot.Pass()),
-      private_slot_(private_slot.Pass()) {
+    : NSSCertDatabase(public_slot.Pass(), private_slot.Pass()) {
   profile_filter_.Init(GetPublicSlot(), GetPrivateSlot());
 }
 
@@ -46,16 +45,6 @@ void NSSCertDatabaseChromeOS::ListCerts(
       base::Bind(callback, base::Passed(&certs)));
 }
 
-crypto::ScopedPK11Slot NSSCertDatabaseChromeOS::GetPublicSlot() const {
-  return crypto::ScopedPK11Slot(
-      public_slot_ ? PK11_ReferenceSlot(public_slot_.get()) : NULL);
-}
-
-crypto::ScopedPK11Slot NSSCertDatabaseChromeOS::GetPrivateSlot() const {
-  return crypto::ScopedPK11Slot(
-      private_slot_ ? PK11_ReferenceSlot(private_slot_.get()) : NULL);
-}
-
 void NSSCertDatabaseChromeOS::ListModules(CryptoModuleList* modules,
                                           bool need_rw) const {
   NSSCertDatabase::ListModules(modules, need_rw);