Managed Guest Session: Remove notification feature flag

Bug: 927331
Change-Id: I10a586393caed0c0dd32aa26f6b81a757e84deb8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1782816Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Commit-Queue: Roman Aleksandrov <raleksandrov@google.com>
Cr-Commit-Position: refs/heads/master@{#693205}

chrome/browser/chromeos/login/existing_user_controller.cc

@@ -991,9 +991,7 @@ void ExistingUserController::OnAuthSuccess(const UserContext& user_context) {
   }
   ClearRecordedNames();
 
-  if (base::FeatureList::IsEnabled(
-          features::kManagedGuestSessionNotification) &&
-      public_session_auto_login_account_id_.is_valid() &&
+  if (public_session_auto_login_account_id_.is_valid() &&
       public_session_auto_login_account_id_ == user_context.GetAccountId() &&
       last_login_attempt_was_auto_login_) {
     const std::string& user_id = user_context.GetAccountId().GetUserEmail();

chrome/common/chrome_features.cc

@@ -472,15 +472,6 @@ const base::Feature kAcknowledgeNtpOverrideOnDeactivate{
     "AcknowledgeNtpOverrideOnDeactivate", base::FEATURE_DISABLED_BY_DEFAULT};
 #endif
 
-#if defined(OS_CHROMEOS)
-// Enables or disables notification which pop-ups after managed guest session
-// autolaunch
-// TODO(owner:raleksandrov): Remove this after successful launch.
-// https://crbug.com/927331
-const base::Feature kManagedGuestSessionNotification{
-    "ManagedGuestSessionNotification", base::FEATURE_ENABLED_BY_DEFAULT};
-#endif
-
 #if !defined(OS_ANDROID)
 const base::Feature kOnConnectNative{"OnConnectNative",
                                      base::FEATURE_DISABLED_BY_DEFAULT};

chrome/common/chrome_features.h

@@ -307,11 +307,6 @@ COMPONENT_EXPORT(CHROME_FEATURES)
 extern const base::Feature kAcknowledgeNtpOverrideOnDeactivate;
 #endif
 
-#if defined(OS_CHROMEOS)
-COMPONENT_EXPORT(CHROME_FEATURES)
-extern const base::Feature kManagedGuestSessionNotification;
-#endif
-
 #if !defined(OS_ANDROID)
 COMPONENT_EXPORT(CHROME_FEATURES)
 extern const base::Feature kOnConnectNative;