Implemented OwnerSettingsService::Set() method.

chrome/browser/chromeos/settings/device_settings_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_CHROMEOS_SETTINGS_DEVICE_SETTINGS_PROVIDER_H_
 #define CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_PROVIDER_H_
 
 #include <deque>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_value_map.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #include "chromeos/settings/cros_settings_provider.h"
+#include "components/ownership/owner_settings_service.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
 
 namespace base {
 class Value;
 }
 
 namespace enterprise_management {
 class ChromeDeviceSettingsProto;
 }  // namespace enterprise_management
 
 namespace chromeos {
 
 // CrosSettingsProvider implementation that works with device settings.
-class DeviceSettingsProvider : public CrosSettingsProvider,
-                               public DeviceSettingsService::Observer {
+//
+// Note that the write path is in the process of being migrated to
+// OwnerSettingsServiceChromeOS (crbug.com/230018).
+class DeviceSettingsProvider
+    : public CrosSettingsProvider,
+      public DeviceSettingsService::Observer,
+      public ownership::OwnerSettingsService::Observer {
  public:
   // The callback type that is called to get the device mode.
   typedef base::Callback<policy::DeviceMode(void)> GetDeviceModeCallback;
 
   DeviceSettingsProvider(const NotifyObserversCallback& notify_cb,
                          DeviceSettingsService* device_settings_service);
   virtual ~DeviceSettingsProvider();
 
   // Returns true if |path| is handled by this provider.
   static bool IsDeviceSetting(const std::string& name);
 
   // CrosSettingsProvider implementation.
   virtual const base::Value* Get(const std::string& path) const override;
   virtual TrustedStatus PrepareTrustedValues(
       const base::Closure& callback) override;
   virtual bool HandlesSetting(const std::string& path) const override;
 
  private:
   // CrosSettingsProvider implementation:
   virtual void DoSet(const std::string& path,
                      const base::Value& value) override;
 
   // DeviceSettingsService::Observer implementation:
   virtual void OwnershipStatusChanged() override;
   virtual void DeviceSettingsUpdated() override;
 
+  // ownership::OwnerSettingsService::Observer implementation:
+  virtual void OnTentativeChangesInPolicy(
+      const enterprise_management::PolicyData& policy_data) override;
+
   // Populates in-memory cache from the local_state cache that is used to store
   // device settings before the device is owned and to speed up policy
   // availability before the policy blob is fetched on boot.
   void RetrieveCachedData();
 
   // Stores a value from the |pending_changes_| queue in the device settings.
   // If the device is not owned yet the data ends up only in the local_state
   // cache and is serialized once ownership is acquired.
   void SetInPolicy();
 
@@ skipping 77 matching lines @@
                            InitializationTestUnowned);
   FRIEND_TEST_ALL_PREFIXES(DeviceSettingsProviderTest,
                            PolicyFailedPermanentlyNotification);
   FRIEND_TEST_ALL_PREFIXES(DeviceSettingsProviderTest, PolicyLoadNotification);
   DISALLOW_COPY_AND_ASSIGN(DeviceSettingsProvider);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_PROVIDER_H_