Move user cloud policy to BrowserProcess (was 6979011)

chrome/browser/policy/cloud_policy_cache_base.h

 // 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_CLOUD_POLICY_CACHE_BASE_H_
 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_CACHE_BASE_H_
 #pragma once
 
-#include "base/gtest_prod_util.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time.h"
 #include "chrome/browser/policy/cloud_policy_subsystem.h"
-#include "chrome/browser/policy/configuration_policy_provider.h"
 #include "chrome/browser/policy/policy_map.h"
 #include "chrome/browser/policy/proto/device_management_backend.pb.h"
 
 namespace policy {
 
-class PolicyMap;
 class PolicyNotifier;
 
 namespace em = enterprise_management;
 
 // Caches policy information, as set by calls to |SetPolicy()|, persists
 // it to disk or session_manager (depending on subclass implementation),
 // and makes it available via policy providers.
 class CloudPolicyCacheBase : public base::NonThreadSafe {
  public:
   // Used to distinguish mandatory from recommended policies.
   enum PolicyLevel {
     // Policy is forced upon the user and should always take effect.
     POLICY_LEVEL_MANDATORY,
     // The value is just a recommendation that the user may override.
     POLICY_LEVEL_RECOMMENDED,
   };
 
+  class Observer {
+   public:
+    virtual ~Observer() {}
+    virtual void OnCacheGoingAway(CloudPolicyCacheBase*) = 0;
+    virtual void OnCacheUpdate(CloudPolicyCacheBase*) = 0;
+  };
+
   CloudPolicyCacheBase();
   virtual ~CloudPolicyCacheBase();
 
   void set_policy_notifier(PolicyNotifier* notifier) {
     notifier_ = notifier;
   }
 
   // Loads persisted policy information.
   virtual void Load() = 0;
 
   // Resets the policy information.
   virtual void SetPolicy(const em::PolicyFetchResponse& policy) = 0;
 
-  ConfigurationPolicyProvider* GetManagedPolicyProvider();
-  ConfigurationPolicyProvider* GetRecommendedPolicyProvider();
-
   virtual void SetUnmanaged() = 0;
   bool is_unmanaged() const {
     return is_unmanaged_;
   }
 
   // Returns the time at which the policy was last fetched.
   base::Time last_policy_refresh_time() const {
     return last_policy_refresh_time_;
   }
 
   // Get the version of the encryption key currently used for decoding policy.
   // Returns true if the version is available, in which case |version| is filled
   // in.
   bool GetPublicKeyVersion(int* version);
 
+  void AddObserver(Observer* observer);
+  void RemoveObserver(Observer* observer);
+
+  // Accessor for the underlying PolicyMaps.
+  const PolicyMap* policy(PolicyLevel level);
+
+  // true if the cache contains data that is ready to be served as policies.
+  // This should mean that this method turns true as soon as a round-trip to
+  // the local policy storage is complete. The creation of the Profile is
+  // blocked on this method, so we shouldn't wait for successful network
+  // round trips.
+  virtual bool IsReady() = 0;
+
  protected:
   // Wraps public key version and validity.
   struct PublicKeyVersion {
     int version;
     bool valid;
   };
 
   // Decodes the given |policy| using |DecodePolicyResponse()|, applies the
   // contents to |{mandatory,recommended}_policy_|, and notifies observers.
   // |timestamp| returns the timestamp embedded in |policy|, callers can pass
@@ skipping 16 matching lines @@
   // Also performs verification, returns NULL if any check fails.
   bool DecodePolicyResponse(const em::PolicyFetchResponse& policy_response,
                             PolicyMap* mandatory,
                             PolicyMap* recommended,
                             base::Time* timestamp,
                             PublicKeyVersion* public_key_version);
 
   void InformNotifier(CloudPolicySubsystem::PolicySubsystemState state,
                       CloudPolicySubsystem::ErrorDetails error_details);
 
+  void set_last_policy_refresh_time(base::Time timestamp) {
+    last_policy_refresh_time_ = timestamp;
+  }
+
   // See comment for |initialization_complete_|.
   bool initialization_complete() {
     return initialization_complete_;
   }
 
-  void set_last_policy_refresh_time(base::Time timestamp) {
-    last_policy_refresh_time_ = timestamp;
-  }
-
  private:
-  class CloudPolicyProvider;
-
   friend class DevicePolicyCacheTest;
   friend class UserPolicyCacheTest;
+  friend class MockCloudPolicyCache;
 
   // Policy key-value information.
   PolicyMap mandatory_policy_;
   PolicyMap recommended_policy_;
 
-  // Policy providers.
-  scoped_ptr<ConfigurationPolicyProvider> managed_policy_provider_;
-  scoped_ptr<ConfigurationPolicyProvider> recommended_policy_provider_;
-
   PolicyNotifier* notifier_;
 
   // The time at which the policy was last refreshed. Is updated both upon
   // successful and unsuccessful refresh attempts.
   base::Time last_policy_refresh_time_;
 
   // Whether initialization has been completed. This is the case when we have
   // valid policy, learned that the device is unmanaged or ran into
   // unrecoverable errors.
   bool initialization_complete_;
 
   // Whether the the server has indicated this device is unmanaged.
   bool is_unmanaged_;
 
   // Currently used public key version, if available.
   PublicKeyVersion public_key_version_;
 
-  // Provider observers that are registered with this cache's providers.
-  ObserverList<ConfigurationPolicyProvider::Observer, true> observer_list_;
+  // Cache observers that are registered with this cache.
+  ObserverList<Observer, true> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyCacheBase);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_POLICY_CACHE_BASE_H_