Policy providers all get a SchemaRegistry to work with.

chrome/browser/policy/async_policy_provider.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 CHROME_BROWSER_POLICY_ASYNC_POLICY_PROVIDER_H_
 #define CHROME_BROWSER_POLICY_ASYNC_POLICY_PROVIDER_H_
 
 #include "base/cancelable_callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace policy {
 
 class AsyncPolicyLoader;
 class PolicyBundle;
+class SchemaRegistry;
 
 // A policy provider that loads its policies asynchronously on a background
 // thread. Platform-specific providers are created by passing an implementation
 // of AsyncPolicyLoader to a new AsyncPolicyProvider.
 class AsyncPolicyProvider : public ConfigurationPolicyProvider,
                             public base::NonThreadSafe {
  public:
-  explicit AsyncPolicyProvider(scoped_ptr<AsyncPolicyLoader> loader);
+  // The AsyncPolicyProvider does a synchronous load in its constructor, and
+  // therefore it needs the |registry| at construction time. The same |registry|
+  // should be passed later to Init().
+  AsyncPolicyProvider(SchemaRegistry* registry,
+                      scoped_ptr<AsyncPolicyLoader> loader);
   virtual ~AsyncPolicyProvider();
 
   // ConfigurationPolicyProvider implementation.
-  virtual void Init() OVERRIDE;
+  virtual void Init(SchemaRegistry* registry) OVERRIDE;
   virtual void Shutdown() OVERRIDE;
   virtual void RefreshPolicies() OVERRIDE;
-  virtual void RegisterPolicyDomain(
-      scoped_refptr<const PolicyDomainDescriptor> descriptor) OVERRIDE;
 
  private:
   // Helper for RefreshPolicies().
   void ReloadAfterRefreshSync();
 
   // Invoked with the latest bundle loaded by the |loader_|.
   void OnLoaderReloaded(scoped_ptr<PolicyBundle> bundle);
 
   // Callback passed to the loader that it uses to pass back the current policy
   // bundle to the provider. This is invoked on the background thread and
@@ skipping 14 matching lines @@
   // Callback used to synchronize RefreshPolicies() calls with the background
   // thread. See the implementation for the details.
   base::CancelableClosure refresh_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncPolicyProvider);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_ASYNC_POLICY_PROVIDER_H_