Move tracked prefs into services/preferences/tracked.

services/preferences/tracked/tracked_preferences_migration.h

Index: services/preferences/tracked/tracked_preferences_migration.h
diff --git a/components/user_prefs/tracked/tracked_preferences_migration.h b/services/preferences/tracked/tracked_preferences_migration.h
similarity index 87%
rename from components/user_prefs/tracked/tracked_preferences_migration.h
rename to services/preferences/tracked/tracked_preferences_migration.h
index 290e5fbdb654cb1e1f06fa1c1ea695749fa2a199..381434aada741f48b83befdb98b788ec62d1d2d9 100644
--- a/components/user_prefs/tracked/tracked_preferences_migration.h
+++ b/services/preferences/tracked/tracked_preferences_migration.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_USER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_
-#define COMPONENTS_USER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_
+#ifndef SERVICES_PREFERENCES_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_
+#define SERVICES_PREFERENCES_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_
 
 #include <memory>
 #include <set>
 #include <string>
 
 #include "base/callback_forward.h"
-#include "components/user_prefs/tracked/pref_hash_store.h"
+#include "services/preferences/tracked/pref_hash_store.h"
 
 class InterceptablePrefFilter;
 class PrefHashStore;
@@ -42,4 +42,4 @@ void SetupTrackedPreferencesMigration(
     InterceptablePrefFilter* unprotected_pref_filter,
     InterceptablePrefFilter* protected_pref_filter);
 
-#endif  // COMPONENTS_USER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_
+#endif  // SERVICES_PREFERENCES_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_