Add initial device policy infrastructure.

chrome/browser/policy/browser_policy_context.h

Index: chrome/browser/policy/browser_policy_context.h
diff --git a/chrome/browser/policy/browser_policy_context.h b/chrome/browser/policy/browser_policy_context.h
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+// Copyright (c) 2011 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_BROWSER_POLICY_CONTEXT_H_
+#define CHROME_BROWSER_POLICY_BROWSER_POLICY_CONTEXT_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/scoped_ptr.h"
+
+class PrefService;
+class TokenService;
+class URLRequestContextGetter;
+
+namespace policy {
+
+class CloudPolicyContext;
+class CloudPolicyController;
+class ConfigurationPolicyProvider;
+
+// Manages the lifecycle of browser-global policy infrastructure, such as the
+// platform policy providers.
+class BrowserPolicyContext {
+ public:
+  BrowserPolicyContext();
+  // Constructor for tests that allows tests to use fake platform policy
+  // providers instead of using the actual ones.
+  BrowserPolicyContext(
+      ConfigurationPolicyProvider* managed_platform_provider,
+      ConfigurationPolicyProvider* recommended_platform_provider);
+  ~BrowserPolicyContext();
+
+  // Activates the cloud policy context. We can't pass these in the constructor
+  // since the context must start up before threading and net is up.
+  void Initialize(PrefService* local_state,
+                  URLRequestContextGetter* request_context);
+
+  ConfigurationPolicyProvider* GetManagedPlatformProvider() const;
+  ConfigurationPolicyProvider* GetManagedCloudProvider() const;
+  ConfigurationPolicyProvider* GetRecommendedPlatformProvider() const;
+  ConfigurationPolicyProvider* GetRecommendedCloudProvider() const;
+
+  static void RegisterPrefs(PrefService* user_prefs);
+
+  static const int kDefaultPolicyRefreshRateInMilliseconds =
+      3 * 60 * 60 * 1000; // 3 hours.
+
+ private:
+  static ConfigurationPolicyProvider* CreateManagedPlatformProvider();
+  static ConfigurationPolicyProvider* CreateRecommendedPlatformProvider();
+
+  scoped_ptr<ConfigurationPolicyProvider> managed_platform_provider_;
+  scoped_ptr<ConfigurationPolicyProvider> recommended_platform_provider_;
+
+  scoped_ptr<CloudPolicyController> controller_;
+  scoped_ptr<CloudPolicyContext> cloud_context_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserPolicyContext);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_POLICY_BROWSER_POLICY_CONTEXT_H_