cros: Add enterprise user session metrics

chrome/browser/chromeos/login/users/chrome_user_manager_impl.cc

 // Copyright 2014 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/login/users/chrome_user_manager_impl.h"
 
 #include <stddef.h>
 
 #include <cstddef>
 #include <set>
@@ skipping 15 matching lines @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/task_runner.h"
 #include "base/task_scheduler/post_task.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/login/demo_mode/demo_app_launcher.h"
+#include "chrome/browser/chromeos/login/enterprise_user_session_metrics.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
 #include "chrome/browser/chromeos/login/signin/auth_sync_observer.h"
 #include "chrome/browser/chromeos/login/signin/auth_sync_observer_factory.h"
 #include "chrome/browser/chromeos/login/users/affiliation.h"
 #include "chrome/browser/chromeos/login/users/avatar/user_image_manager_impl.h"
 #include "chrome/browser/chromeos/login/users/chrome_user_manager_util.h"
 #include "chrome/browser/chromeos/login/users/default_user_image/default_user_images.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/login/users/supervised_user_manager_impl.h"
 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
@@ skipping 110 matching lines @@
   ChromeUserManager::RegisterPrefs(registry);
 
   registry->RegisterListPref(kDeviceLocalAccounts);
   registry->RegisterStringPref(kDeviceLocalAccountPendingDataRemoval,
                                std::string());
   registry->RegisterListPref(kReportingUsers);
 
   SupervisedUserManager::RegisterPrefs(registry);
   SessionLengthLimiter::RegisterPrefs(registry);
   BootstrapManager::RegisterPrefs(registry);
+  enterprise_user_session_metrics::RegisterPrefs(registry);
 }
 
 // static
 std::unique_ptr<ChromeUserManager>
 ChromeUserManagerImpl::CreateChromeUserManager() {
   return std::unique_ptr<ChromeUserManager>(new ChromeUserManagerImpl());
 }
 
 ChromeUserManagerImpl::ChromeUserManagerImpl()
     : ChromeUserManager(base::ThreadTaskRunnerHandle::Get()),
@@ skipping 42 matching lines @@
   avatar_policy_observer_ =
       base::MakeUnique<policy::CloudExternalDataPolicyObserver>(
           cros_settings_, device_local_account_policy_service,
           policy::key::kUserAvatarImage, this);
   avatar_policy_observer_->Init();
   wallpaper_policy_observer_ =
       base::MakeUnique<policy::CloudExternalDataPolicyObserver>(
           cros_settings_, device_local_account_policy_service,
           policy::key::kWallpaperImage, this);
   wallpaper_policy_observer_->Init();
+
+  // Record the stored session length for enrolled device.
+  if (IsEnterpriseManaged())
+    enterprise_user_session_metrics::RecordStoredSessionLength();
 }
 
 ChromeUserManagerImpl::~ChromeUserManagerImpl() {
 }
 
 void ChromeUserManagerImpl::Shutdown() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   ChromeUserManager::Shutdown();
 
   local_accounts_subscription_.reset();
 
+  if (session_length_limiter_ && IsEnterpriseManaged()) {
+    // Store session length before tearing down |session_length_limiter_| for
+    // enrolled devices so that it can be reported on the next run.
+    const base::TimeDelta session_length =
+        session_length_limiter_->GetSessionDuration();
+    if (!session_length.is_zero()) {
+      enterprise_user_session_metrics::StoreSessionLength(
+          GetActiveUser()->GetType(), session_length);
+    }
+  }
+
   // Stop the session length limiter.
   session_length_limiter_.reset();
 
   if (device_local_account_policy_service_)
     device_local_account_policy_service_->RemoveObserver(this);
 
   for (UserImageManagerMap::iterator it = user_image_managers_.begin(),
                                      ie = user_image_managers_.end();
        it != ie;
        ++it) {
@@ skipping 1106 matching lines @@
       break;
     default:
       NOTREACHED();
       break;
   }
 
   return user;
 }
 
 }  // namespace chromeos