Remove chrome/ code to handle App Notifications

chrome/browser/about_flags.cc

 // 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 542 matching lines @@
     SINGLE_VALUE_TYPE(switches::kShowAutofillTypePredictions)
   },
   {
     "sync-tab-favicons",
     IDS_FLAGS_SYNC_TAB_FAVICONS_NAME,
     IDS_FLAGS_SYNC_TAB_FAVICONS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kSyncTabFavicons)
   },
   {
-    "sync-app-notifications",
-    IDS_FLAGS_SYNC_APP_NOTIFICATIONS_NAME,
-    IDS_FLAGS_SYNC_APP_NOTIFICATIONS_DESCRIPTION,
-    kOsDesktop,
-    SINGLE_VALUE_TYPE(switches::kDisableSyncAppNotifications)
-  },
-  {
     "sync-keystore-encryption",
     IDS_FLAGS_SYNC_KEYSTORE_ENCRYPTION_NAME,
     IDS_FLAGS_SYNC_KEYSTORE_ENCRYPTION_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kSyncKeystoreEncryption)
   },
   {
     "enable-gesture-tap-highlight",
     IDS_FLAGS_ENABLE_GESTURE_TAP_HIGHLIGHTING_NAME,
     IDS_FLAGS_ENABLE_GESTURE_TAP_HIGHLIGHTING_DESCRIPTION,
@@ skipping 1231 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags