Track when and how a profile is signed out via UMA.

chrome/browser/sync/profile_sync_service.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/sync/profile_sync_service.h"
 
 #include <cstddef>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 51 matching lines @@
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "components/gcm_driver/gcm_driver.h"
 #include "components/invalidation/invalidation_service.h"
 #include "components/invalidation/profile_invalidation_provider.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/signin/core/browser/about_signin_internals.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
+#include "components/signin/core/browser/signin_metrics.h"
 #include "components/sync_driver/change_processor.h"
 #include "components/sync_driver/data_type_controller.h"
 #include "components/sync_driver/pref_names.h"
 #include "components/sync_driver/system_encryptor.h"
 #include "components/sync_driver/user_selectable_sync_type.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "grit/generated_resources.h"
 #include "net/cookies/cookie_monster.h"
@@ skipping 1325 matching lines @@
                                    ERROR_REASON_ACTIONABLE_ERROR);
       break;
     case syncer::DISABLE_SYNC_AND_ROLLBACK:
       backup_rollback_controller_.OnRollbackReceived();
       // Fall through to shutdown backend and sign user out.
     case syncer::DISABLE_SYNC_ON_CLIENT:
       StopSyncingPermanently();
 #if !defined(OS_CHROMEOS)
       // On desktop Chrome, sign out the user after a dashboard clear.
       // Skip sign out on ChromeOS/Android.
-      if (!startup_controller_.auto_start_enabled())
-        SigninManagerFactory::GetForProfile(profile_)->SignOut();
+      if (!startup_controller_.auto_start_enabled()) {
+        SigninManagerFactory::GetForProfile(profile_)->SignOut(
+            signin_metrics::SERVER_FORCED_DISABLE);
+      }
 #endif
       break;
     case syncer::ROLLBACK_DONE:
       backup_rollback_controller_.OnRollbackDone();
       break;
     case syncer::STOP_SYNC_FOR_DISABLED_ACCOUNT:
       // Sync disabled by domain admin. we should stop syncing until next
       // restart.
       sync_disabled_by_admin_ = true;
       ShutdownImpl(browser_sync::SyncBackendHost::DISABLE_AND_CLAIM_THREAD);
@@ skipping 1137 matching lines @@
       if (custom_sync_url.is_valid()) {
         result = custom_sync_url;
       } else {
         LOG(WARNING) << "The following sync URL specified at the command-line "
                      << "is invalid: " << value;
       }
     }
   }
   return result;
 }