Policy providers all get a SchemaRegistry to work with.

chrome/browser/policy/policy_service_impl.h

Index: chrome/browser/policy/policy_service_impl.h
diff --git a/chrome/browser/policy/policy_service_impl.h b/chrome/browser/policy/policy_service_impl.h
index 51716f293d2b08f68ee202e2302d4916919cdba0..681757451f1c978b95d890042a6bb5b548c16387 100644
--- a/chrome/browser/policy/policy_service_impl.h
+++ b/chrome/browser/policy/policy_service_impl.h
@@ -38,12 +38,8 @@ class PolicyServiceImpl : public PolicyService,
                            PolicyService::Observer* observer) OVERRIDE;
   virtual void RemoveObserver(PolicyDomain domain,
                               PolicyService::Observer* observer) OVERRIDE;
-  virtual void RegisterPolicyDomain(
-      scoped_refptr<const PolicyDomainDescriptor> descriptor) OVERRIDE;
   virtual const PolicyMap& GetPolicies(
       const PolicyNamespace& ns) const OVERRIDE;
-  virtual scoped_refptr<const PolicyDomainDescriptor> GetPolicyDomainDescriptor(
-      PolicyDomain domain) const OVERRIDE;
   virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE;
   virtual void RefreshPolicies(const base::Closure& callback) OVERRIDE;
 
@@ -77,10 +73,6 @@ class PolicyServiceImpl : public PolicyService,
   // Maps each policy namespace to its current policies.
   PolicyBundle policy_bundle_;
 
-  // Maps each policy domain to its current descriptor.
-  scoped_refptr<const PolicyDomainDescriptor>
-      domain_descriptors_[POLICY_DOMAIN_SIZE];
-
   // Maps each policy domain to its observer list.
   ObserverMap observers_;