Convert PermissionsBlacklist flag to base::Feature.

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 <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1320 matching lines @@
     {"num-raster-threads", IDS_FLAGS_NUM_RASTER_THREADS_NAME,
      IDS_FLAGS_NUM_RASTER_THREADS_DESCRIPTION, kOsAll,
      MULTI_VALUE_TYPE(kNumRasterThreadsChoices)},
     {"enable-permission-action-reporting",
      IDS_FLAGS_PERMISSION_ACTION_REPORTING_NAME,
      IDS_FLAGS_PERMISSION_ACTION_REPORTING_DESCRIPTION, kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnablePermissionActionReporting,
                                switches::kDisablePermissionActionReporting)},
     {"enable-permissions-blacklist", IDS_FLAGS_PERMISSIONS_BLACKLIST_NAME,
      IDS_FLAGS_PERMISSIONS_BLACKLIST_DESCRIPTION, kOsAll,
-     ENABLE_DISABLE_VALUE_TYPE(switches::kEnablePermissionsBlacklist,
-                               switches::kDisablePermissionsBlacklist)},
+     FEATURE_VALUE_TYPE(features::kPermissionsBlacklist)},
     {"enable-single-click-autofill", IDS_FLAGS_SINGLE_CLICK_AUTOFILL_NAME,
      IDS_FLAGS_SINGLE_CLICK_AUTOFILL_DESCRIPTION, kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(
          autofill::switches::kEnableSingleClickAutofill,
          autofill::switches::kDisableSingleClickAutofill)},
     {"enable-site-engagement-service", IDS_FLAGS_SITE_ENGAGEMENT_SERVICE_NAME,
      IDS_FLAGS_SITE_ENGAGEMENT_SERVICE_DESCRIPTION, kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSiteEngagementService,
                                switches::kDisableSiteEngagementService)},
     {"disable-cast-streaming-hw-encoding",
@@ skipping 975 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags