Delete base/prefs and update callers to use components.

extensions/browser/extension_prefs.cc

 // Copyright 2014 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 "extensions/browser/extension_prefs.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <iterator>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/metrics/histogram_macros.h"
-#include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "components/crx_file/id_util.h"
 #include "components/pref_registry/pref_registry_syncable.h"
+#include "components/prefs/pref_service.h"
 #include "extensions/browser/app_sorting.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_pref_store.h"
 #include "extensions/browser/extension_prefs_factory.h"
 #include "extensions/browser/extension_prefs_observer.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/install_flag.h"
 #include "extensions/browser/pref_names.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/permissions/permission_set.h"
@@ skipping 1934 matching lines @@
   extension_pref_value_map_->RegisterExtension(
       extension_id, install_time, is_enabled, is_incognito_enabled);
 
   FOR_EACH_OBSERVER(
       ExtensionPrefsObserver,
       observer_list_,
       OnExtensionRegistered(extension_id, install_time, is_enabled));
 }
 
 }  // namespace extensions