Chrome OS multi-profiles backend and UI.

chrome/browser/chromeos/login/oauth2_login_manager.cc

Index: chrome/browser/chromeos/login/oauth2_login_manager.cc
diff --git a/chrome/browser/chromeos/login/oauth2_login_manager.cc b/chrome/browser/chromeos/login/oauth2_login_manager.cc
index 0b2d8363d9a12cbf3a93af11c8fd229f68427c60..116e1b3d7600b7626b5549ee8ce9724ab6836df9 100644
--- a/chrome/browser/chromeos/login/oauth2_login_manager.cc
+++ b/chrome/browser/chromeos/login/oauth2_login_manager.cc
@@ -55,6 +55,10 @@ void OAuth2LoginManager::RestoreSession(
     SessionRestoreStrategy restore_strategy,
     const std::string& oauth2_refresh_token,
     const std::string& auth_code) {
+  // TODO(nkostylev): OAuth2LoginManager should support multi-profiles or
+  // should be refactored as ProfileKeyedService. For now we unsubscribe from
+  // TokenService notifications of a user that was previously active.
+  registrar_.RemoveAll();
   user_profile_ = user_profile;
   auth_request_context_ = auth_request_context;
   state_ = OAuthLoginManager::SESSION_RESTORE_IN_PROGRESS;