Introduced a ForwardingPolicyProvider.

chrome/browser/chromeos/policy/proxy_policy_provider.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 "chrome/browser/chromeos/policy/proxy_policy_provider.h"
 
 namespace policy {
 
 ProxyPolicyProvider::ProxyPolicyProvider() : delegate_(NULL) {}
 
@@ skipping 38 matching lines @@
 }
 
 void ProxyPolicyProvider::OnUpdatePolicy(
     ConfigurationPolicyProvider* provider) {
   DCHECK_EQ(delegate_, provider);
   scoped_ptr<PolicyBundle> bundle(new PolicyBundle());
   bundle->CopyFrom(delegate_->policies());
   UpdatePolicy(bundle.Pass());
 }
 
-void ProxyPolicyProvider::OnSchemaRegistryUpdated(bool has_new_schemas) {
-  // Ignore, and don't call RefreshPolicies. Policies only have to be refreshed
-  // when the delegate's registry is updated.
-}
-
 }  // namespace policy