signin: record http response codes and net errors in OAuth2AccessTokenFetcher.

chrome/browser/signin/signin_global_error.cc

 // Copyright (c) 2013 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/signin/signin_global_error.h"
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 148 matching lines @@
     // In the case of no error, or a simple network error, don't bother
     // displaying a popup bubble.
     case GoogleServiceAuthError::CONNECTION_FAILED:
     case GoogleServiceAuthError::NONE:
       return messages;
 
     // TODO(rogerta): use account id in error messages.
 
     // User credentials are invalid (bad acct, etc).
     case GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS:
+    case GoogleServiceAuthError::SERVICE_ERROR:
     case GoogleServiceAuthError::ACCOUNT_DELETED:
     case GoogleServiceAuthError::ACCOUNT_DISABLED:
       messages.push_back(l10n_util::GetStringFUTF16(
           IDS_SYNC_SIGN_IN_ERROR_BUBBLE_VIEW_MESSAGE,
           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
       break;
 
     // Sync service is not available for this account's domain.
     case GoogleServiceAuthError::SERVICE_UNAVAILABLE:
       messages.push_back(l10n_util::GetStringFUTF16(
@@ skipping 34 matching lines @@
 
 void SigninGlobalError::BubbleViewCancelButtonPressed(Browser* browser) {
   NOTREACHED();
 }
 
 // static
 SigninGlobalError* SigninGlobalError::GetForProfile(Profile* profile) {
   return ProfileOAuth2TokenServiceFactory::GetForProfile(profile)->
       signin_global_error();
 }