Fix username absent right after signing in in main Settings.

ios/chrome/browser/ui/settings/settings_collection_view_controller.mm

 // Copyright 2015 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.
 
 #import "ios/chrome/browser/ui/settings/settings_collection_view_controller.h"
 
 #include <memory>
 
 #import "base/ios/weak_nsobject.h"
 #import "base/mac/foundation_util.h"
@@ skipping 877 matching lines @@
     (CollectionViewAccountItem*)identityAccountItem {
   AuthenticationService* authService =
       AuthenticationServiceFactory::GetForBrowserState(_mainBrowserState);
   _identity.reset([authService->GetAuthenticatedIdentity() retain]);
   if (!_identity) {
     // This could occur during the sign out process. Just ignore as the account
     // cell will be replaced by the "Sign in" button.
     return;
   }
   identityAccountItem.image = [self userAccountImage];
+  identityAccountItem.text = [_identity userFullName];
 
   SyncSetupService* syncSetupService =
       SyncSetupServiceFactory::GetForBrowserState(_mainBrowserState);
-
   if (!syncSetupService->HasFinishedInitialSetup()) {
     identityAccountItem.detailText =
         l10n_util::GetNSString(IDS_IOS_SYNC_SETUP_IN_PROGRESS);
     identityAccountItem.shouldDisplayError = NO;
     return;
   }
   identityAccountItem.shouldDisplayError =
       !ios_internal::sync::IsTransientSyncError(
           syncSetupService->GetSyncServiceState());
-  identityAccountItem.text = [_identity userFullName];
   if (identityAccountItem.shouldDisplayError) {
     identityAccountItem.detailText =
         ios_internal::sync::GetSyncErrorDescriptionForBrowserState(
             _mainBrowserState);
   } else {
     identityAccountItem.detailText =
         syncSetupService->IsSyncEnabled()
             ? l10n_util::GetNSStringF(
                   IDS_IOS_SIGN_IN_TO_CHROME_SETTING_SYNCING,
                   base::SysNSStringToUTF16([_identity userEmail]))
@@ skipping 158 matching lines @@
     NSString* autofillDetail =
         autofillEnabled ? l10n_util::GetNSString(IDS_IOS_SETTING_ON)
                         : l10n_util::GetNSString(IDS_IOS_SETTING_OFF);
     _autoFillDetailItem.get().detailText = autofillDetail;
     [self reconfigureCellsForItems:@[ _autoFillDetailItem ]
            inSectionWithIdentifier:SectionIdentifierBasics];
   }
 }
 
 @end