Support cloud policy for extensions on the desktop platforms.

chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.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_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/policy/cloud/cloud_policy_client.h"
 #include "chrome/browser/policy/cloud/cloud_policy_constants.h"
 #include "chrome/browser/policy/cloud/cloud_policy_manager.h"
 #include "chrome/browser/policy/cloud/cloud_policy_service.h"
-#include "chrome/browser/policy/cloud/component_cloud_policy_service.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
 
 class GoogleServiceAuthError;
 class PrefService;
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace policy {
 
 class CloudExternalDataManager;
 class DeviceManagementService;
 class PolicyOAuth2TokenFetcher;
 
 // UserCloudPolicyManagerChromeOS implements logic for initializing user policy
 // on Chrome OS.
 class UserCloudPolicyManagerChromeOS
     : public CloudPolicyManager,
       public CloudPolicyClient::Observer,
       public CloudPolicyService::Observer,
-      public ComponentCloudPolicyService::Delegate,
       public BrowserContextKeyedService {
  public:
-  // |task_runner| is the runner for policy refresh tasks.
   // If |wait_for_policy_fetch| is true, IsInitializationComplete() will return
   // false as long as there hasn't been a successful policy fetch.
+  // |task_runner| is the runner for policy refresh tasks.
+  // |file_task_runner| is used for file operations.
+  // |io_task_runner| is used for network IO.
+  // Note: currently these must be the FILE and the IO BrowserThreads.

[bartfab (slow), 2013/11/25 15:05:50]

Nit: "these" is ambiguous (there are three task runners, which one(s) must be
FILE, which one(s) must be IO?)

[Joao da Silva, 2013/11/25 16:44:11]

Done.

   UserCloudPolicyManagerChromeOS(
       scoped_ptr<CloudPolicyStore> store,
       scoped_ptr<CloudExternalDataManager> external_data_manager,
+      const base::FilePath& component_policy_cache_path,
+      bool wait_for_policy_fetch,
+      base::TimeDelta initial_policy_fetch_timeout,
       const scoped_refptr<base::SequencedTaskRunner>& task_runner,
-      const base::FilePath& resource_cache_dir,
-      bool wait_for_policy_fetch,
-      base::TimeDelta initial_policy_fetch_timeout);
+      const scoped_refptr<base::SequencedTaskRunner>& file_task_runner,
+      const scoped_refptr<base::SequencedTaskRunner>& io_task_runner);
   virtual ~UserCloudPolicyManagerChromeOS();
 
   // Initializes the cloud connection. |local_state| and
   // |device_management_service| must stay valid until this object is deleted.
   void Connect(PrefService* local_state,
                DeviceManagementService* device_management_service,
                scoped_refptr<net::URLRequestContextGetter> request_context,
                UserAffiliation user_affiliation);
 
   // This class is one of the policy providers, and must be ready for the
   // creation of the Profile's PrefService; all the other
   // BrowserContextKeyedServices depend on the PrefService, so this class can't
   // depend on other BCKS to avoid a circular dependency. So instead of using
   // the ProfileOAuth2TokenService directly to get the access token, a 3rd
   // service (UserCloudPolicyTokenForwarder) will fetch it later and pass it
   // to this method once available.
   // The |access_token| can then be used to authenticate the registration
   // request to the DMServer.
   void OnAccessTokenAvailable(const std::string& access_token);
 
   // Returns true if the underlying CloudPolicyClient is already registered.
   bool IsClientRegistered() const;
 
   // ConfigurationPolicyProvider:
   virtual void Shutdown() OVERRIDE;
   virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE;
 
-  // CloudPolicyManager:
-  virtual scoped_ptr<PolicyBundle> CreatePolicyBundle() OVERRIDE;
-
   // CloudPolicyService::Observer:
   virtual void OnInitializationCompleted(CloudPolicyService* service) OVERRIDE;
 
   // CloudPolicyClient::Observer:
   virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE;
   virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE;
   virtual void OnClientError(CloudPolicyClient* client) OVERRIDE;
 
   // ComponentCloudPolicyService::Delegate:
   virtual void OnComponentCloudPolicyUpdated() OVERRIDE;
 
  private:
-  void CreateComponentCloudPolicyService(
-      const scoped_refptr<net::URLRequestContextGetter>& request_context);
-
   // Fetches a policy token using the authentication context of the signin
   // Profile, and calls back to OnOAuth2PolicyTokenFetched when done.
   void FetchPolicyOAuthTokenUsingSigninProfile();
 
   // Called once the policy access token is available, and starts the
   // registration with the policy server if the token was successfully fetched.
   void OnOAuth2PolicyTokenFetched(const std::string& policy_token,
                                   const GoogleServiceAuthError& error);
 
   // Completion handler for the explicit policy fetch triggered on startup in
   // case |wait_for_policy_fetch_| is true. |success| is true if the fetch was
   // successful.
   void OnInitialPolicyFetchComplete(bool success);
 
   // Cancels waiting for the policy fetch and flags the
   // ConfigurationPolicyProvider ready (assuming all other initialization tasks
   // have completed).
   void CancelWaitForPolicyFetch();
 
   void StartRefreshSchedulerIfReady();
 
   // Owns the store, note that CloudPolicyManager just keeps a plain pointer.
   scoped_ptr<CloudPolicyStore> store_;
 
   // Manages external data referenced by policies.
   scoped_ptr<CloudExternalDataManager> external_data_manager_;
 
-  // Handles fetching and storing cloud policy for components. It uses the
-  // |store_|, so destroy it first.
-  scoped_ptr<ComponentCloudPolicyService> component_policy_service_;
-
-  // Directory for the ResourceCache, if one is created.
-  base::FilePath resource_cache_dir_;
+  // Path where policy for components will be cached.
+  base::FilePath component_policy_cache_path_;
 
   // Whether to wait for a policy fetch to complete before reporting
   // IsInitializationComplete().
   bool wait_for_policy_fetch_;
 
   // A timer that puts a hard limit on the maximum time to wait for the intial
   // policy fetch.
   base::Timer policy_fetch_timeout_;
 
   // The pref service to pass to the refresh scheduler on initialization.
@@ skipping 12 matching lines @@
   base::Time time_init_completed_;
   base::Time time_token_available_;
   base::Time time_client_registered_;
 
   DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyManagerChromeOS);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_