Use a service to create device management backends.

chrome/browser/profile_impl.cc

Index: chrome/browser/profile_impl.cc
diff --git a/chrome/browser/profile_impl.cc b/chrome/browser/profile_impl.cc
index 8b62962ee07cfb12dc35cca2d93259779650d27c..baaa07552617b354f851e0bfef783f8144baa4f7 100644
--- a/chrome/browser/profile_impl.cc
+++ b/chrome/browser/profile_impl.cc
@@ -56,7 +56,7 @@
 #include "chrome/browser/password_manager/password_store_default.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
-#include "chrome/browser/policy/device_management_backend_impl.h"
+#include "chrome/browser/policy/device_management_service.h"
 #include "chrome/browser/policy/device_management_policy_provider.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/prefs/pref_value_store.h"
@@ -355,6 +355,11 @@ ProfileImpl::ProfileImpl(const FilePath& path)
 
   extension_info_map_ = new ExtensionInfoMap();
 
+  policy::DeviceManagementService* device_management_service =
+      GetDeviceManagementService();
+  if (device_management_service)
+      device_management_service->Initialize(GetRequestContext());
+
   // Log the profile size after a reasonable startup delay.
   BrowserThread::PostDelayedTask(BrowserThread::FILE, FROM_HERE,
                                  new ProfileSizeTask(path_), 112000);
@@ -489,6 +494,9 @@ ProfileImpl::~ProfileImpl() {
       Source<Profile>(this),
       NotificationService::NoDetails());
 
+  if (device_management_service_.get())
+    device_management_service_->Shutdown();
+
   tab_restore_service_ = NULL;
 
   StopCreateSessionServiceTimer();
@@ -1319,10 +1327,25 @@ ExtensionInfoMap* ProfileImpl::GetExtensionInfoMap() {
   return extension_info_map_.get();
 }
 
+policy::DeviceManagementService*
+ProfileImpl::GetDeviceManagementService() {
+  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (device_management_service_.get())
+    return device_management_service_.get();
+
+  if (!command_line->HasSwitch(switches::kDeviceManagementUrl));
+    return NULL;
+
+  device_management_service_.reset(
+      new policy::DeviceManagementService(
+          command_line->GetSwitchValueASCII(switches::kDeviceManagementUrl)));
+  return device_management_service_.get();
+}
+
 policy::DeviceManagementPolicyProvider*
 ProfileImpl::GetDeviceManagementPolicyProvider() {
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (!command_line->HasSwitch(switches::kDeviceManagementUrl))
+  policy::DeviceManagementService* service = GetDeviceManagementService();
+  if (!service)
     return NULL;
 
   if (!device_management_policy_provider_.get()) {
@@ -1330,9 +1353,7 @@ ProfileImpl::GetDeviceManagementPolicyProvider() {
         new policy::DeviceManagementPolicyProvider(
             policy::ConfigurationPolicyPrefStore::
                 GetChromePolicyDefinitionList(),
-            new policy::DeviceManagementBackendImpl(
-                command_line->GetSwitchValueASCII(
-                    switches::kDeviceManagementUrl)),
+            service->CreateBackend(),
             GetTokenService(),
             GetPath()));
   }