[Sync] Propagate XMPP auth errors to SyncNotifierObservers

sync/sync.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     # The core sync library.
@@ skipping 201 matching lines @@
         '../jingle/jingle.gyp:notifier',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
         '../third_party/libjingle/libjingle.gyp:libjingle',
         'sync',
       ],
       'export_dependent_settings': [
         '../jingle/jingle.gyp:notifier',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
       ],
       'sources': [
+        'notifier/notifications_disabled_reason.h',
+        'notifier/notifications_disabled_reason.cc',
         'notifier/sync_notifier.h',
         'notifier/sync_notifier_factory.h',
         'notifier/sync_notifier_factory.cc',
         'notifier/sync_notifier_observer.h',
       ],
       'conditions': [
         ['OS != "android"', {
           'sources': [
             'notifier/chrome_invalidation_client.cc',
             'notifier/chrome_invalidation_client.h',
@@ skipping 536 matching lines @@
             'test_suite_name': 'sync_unit_tests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)sync_unit_tests<(SHARED_LIB_SUFFIX)',
             'input_jars_paths': [ '<(PRODUCT_DIR)/lib.java/chromium_base.jar', ],
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }