Move tracked prefs into services/preferences/tracked.

services/preferences/tracked/segregated_pref_store.h

Index: services/preferences/tracked/segregated_pref_store.h
diff --git a/components/user_prefs/tracked/segregated_pref_store.h b/services/preferences/tracked/segregated_pref_store.h
similarity index 96%
rename from components/user_prefs/tracked/segregated_pref_store.h
rename to services/preferences/tracked/segregated_pref_store.h
index 40629768f018e35018313d7e5a3966503e0a0f3f..8118dd5fc1aec28715a0b507515a6dc14d270ab4 100644
--- a/components/user_prefs/tracked/segregated_pref_store.h
+++ b/services/preferences/tracked/segregated_pref_store.h
@@ -2,8 +2,8 @@
 // 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_SEGREGATED_PREF_STORE_H_
-#define COMPONENTS_USER_PREFS_TRACKED_SEGREGATED_PREF_STORE_H_
+#ifndef SERVICES_PREFERENCES_TRACKED_SEGREGATED_PREF_STORE_H_
+#define SERVICES_PREFERENCES_TRACKED_SEGREGATED_PREF_STORE_H_
 
 #include <stdint.h>
 
@@ -112,4 +112,4 @@ class SegregatedPrefStore : public PersistentPrefStore {
   DISALLOW_COPY_AND_ASSIGN(SegregatedPrefStore);
 };
 
-#endif  // COMPONENTS_PREFS_TRACKED_SEGREGATED_PREF_STORE_H_
+#endif  // SERVICES_PREFERENCES_TRACKED_SEGREGATED_PREF_STORE_H_