Move ownership of the ComponentCloudPolicyService to the broker.

chrome/browser/chromeos/policy/device_local_account_policy_provider.cc

 // 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.
 
 #include "chrome/browser/chromeos/policy/device_local_account_policy_provider.h"
 
 #include "base/bind.h"
-#include "base/command_line.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/policy/device_local_account.h"
 #include "chrome/browser/chromeos/policy/device_local_account_external_data_manager.h"
 #include "chromeos/dbus/power_policy_controller.h"
 #include "components/policy/core/common/cloud/cloud_policy_core.h"
 #include "components/policy/core/common/cloud/cloud_policy_service.h"
+#include "components/policy/core/common/cloud/component_cloud_policy_service.h"
 #include "components/policy/core/common/policy_bundle.h"
 #include "components/policy/core/common/policy_map.h"
 #include "components/policy/core/common/policy_namespace.h"
-#include "components/policy/core/common/policy_switches.h"
-#include "content/public/browser/browser_thread.h"
-#include "net/url_request/url_request_context_getter.h"
 #include "policy/policy_constants.h"
 
 namespace policy {
 
 DeviceLocalAccountPolicyProvider::DeviceLocalAccountPolicyProvider(
     const std::string& user_id,
     DeviceLocalAccountPolicyService* service,
     scoped_ptr<PolicyMap> chrome_policy_overrides)
     : user_id_(user_id),
       service_(service),
@@ skipping 60 matching lines @@
         NULL);
   }
 
   scoped_ptr<DeviceLocalAccountPolicyProvider> provider(
       new DeviceLocalAccountPolicyProvider(user_id,
                                            device_local_account_policy_service,
                                            chrome_policy_overrides.Pass()));
   return provider.Pass();
 }
 
-void DeviceLocalAccountPolicyProvider::Init(SchemaRegistry* schema_registry) {
-  ConfigurationPolicyProvider::Init(schema_registry);
-  MaybeCreateComponentPolicyService();
-}
-
 bool DeviceLocalAccountPolicyProvider::IsInitializationComplete(
     PolicyDomain domain) const {
   if (domain == POLICY_DOMAIN_CHROME)
     return store_initialized_;
   if (ComponentCloudPolicyService::SupportsDomain(domain) &&
-      component_policy_service_) {
-    return component_policy_service_->is_initialized();
+      GetBroker()->component_policy_service()) {
+    return GetBroker()->component_policy_service()->is_initialized();
   }
   return true;
 }
 
 void DeviceLocalAccountPolicyProvider::RefreshPolicies() {
   DeviceLocalAccountPolicyBroker* broker = GetBroker();
   if (broker && broker->core()->service()) {
     waiting_for_policy_refresh_ = true;
     broker->core()->service()->RefreshPolicy(
         base::Bind(&DeviceLocalAccountPolicyProvider::ReportPolicyRefresh,
                    weak_factory_.GetWeakPtr()));
   } else {
     UpdateFromBroker();
   }
 }
 
-void DeviceLocalAccountPolicyProvider::Shutdown() {
-  component_policy_service_.reset();
-  ConfigurationPolicyProvider::Shutdown();
-}
-
 void DeviceLocalAccountPolicyProvider::OnPolicyUpdated(
     const std::string& user_id) {
-  if (user_id == user_id_) {
-    MaybeCreateComponentPolicyService();
+  if (user_id == user_id_)
     UpdateFromBroker();
-  }
 }
 
 void DeviceLocalAccountPolicyProvider::OnDeviceLocalAccountsChanged() {
-  MaybeCreateComponentPolicyService();
   UpdateFromBroker();
 }
 
-void DeviceLocalAccountPolicyProvider::OnBrokerShutdown(
-    DeviceLocalAccountPolicyBroker* broker) {
-  if (broker->user_id() == user_id_) {
-    // The |component_policy_service_| relies on the broker's CloudPolicyCore,
-    // so destroy it if the broker is going away.
-    component_policy_service_.reset();
-  }
-}
-
-void DeviceLocalAccountPolicyProvider::OnComponentCloudPolicyUpdated() {
-  UpdateFromBroker();
-}
-
-DeviceLocalAccountPolicyBroker* DeviceLocalAccountPolicyProvider::GetBroker() {
+DeviceLocalAccountPolicyBroker* DeviceLocalAccountPolicyProvider::GetBroker()
+    const {
   return service_->GetBrokerForUser(user_id_);
 }
 
 void DeviceLocalAccountPolicyProvider::ReportPolicyRefresh(bool success) {
   waiting_for_policy_refresh_ = false;
   UpdateFromBroker();
 }
 
 void DeviceLocalAccountPolicyProvider::UpdateFromBroker() {
   DeviceLocalAccountPolicyBroker* broker = GetBroker();
   scoped_ptr<PolicyBundle> bundle(new PolicyBundle());
   if (broker) {
     store_initialized_ |= broker->core()->store()->is_initialized();
     if (!waiting_for_policy_refresh_) {
       // Copy policy from the broker.
       bundle->Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
           .CopyFrom(broker->core()->store()->policy_map());
       external_data_manager_ = broker->external_data_manager();
+
+      if (broker->component_policy_service())
+        bundle->MergeFrom(broker->component_policy_service()->policy());
     } else {
       // Wait for the refresh to finish.
       return;
     }
   } else {
     // Keep existing policy, but do send an update.
     waiting_for_policy_refresh_ = false;
     weak_factory_.InvalidateWeakPtrs();
     bundle->CopyFrom(policies());
   }
 
-  if (component_policy_service_)
-    bundle->MergeFrom(component_policy_service_->policy());
-
   // Apply overrides.
   if (chrome_policy_overrides_) {
     PolicyMap& chrome_policy =
         bundle->Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()));
     for (PolicyMap::const_iterator it(chrome_policy_overrides_->begin());
          it != chrome_policy_overrides_->end();
          ++it) {
       const PolicyMap::Entry& entry = it->second;
       chrome_policy.Set(
           it->first, entry.level, entry.scope, entry.value->DeepCopy(), NULL);
     }
   }
 
   UpdatePolicy(bundle.Pass());
 }
 
-void DeviceLocalAccountPolicyProvider::MaybeCreateComponentPolicyService() {
-  if (component_policy_service_)
-    return;  // Already started.
-
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kDisableComponentCloudPolicy)) {
-    // Disabled via the command line.
-    return;
-  }
-
-  DeviceLocalAccountPolicyBroker* broker = GetBroker();
-  if (!broker || !schema_registry())
-    return;  // Missing broker or not initialized yet.
-
-  scoped_ptr<ResourceCache> resource_cache(
-      new ResourceCache(broker->GetComponentPolicyCachePath(),
-                        content::BrowserThread::GetMessageLoopProxyForThread(
-                            content::BrowserThread::FILE)));
-
-  component_policy_service_.reset(new ComponentCloudPolicyService(
-      this,
-      schema_registry(),
-      broker->core(),
-      resource_cache.Pass(),
-      service_->request_context(),
-      content::BrowserThread::GetMessageLoopProxyForThread(
-          content::BrowserThread::FILE),
-      content::BrowserThread::GetMessageLoopProxyForThread(
-          content::BrowserThread::IO)));
-}
-
 }  // namespace policy