Move tracked prefs into services/preferences/tracked.

services/preferences/tracked/pref_hash_calculator.cc

Index: services/preferences/tracked/pref_hash_calculator.cc
diff --git a/components/user_prefs/tracked/pref_hash_calculator.cc b/services/preferences/tracked/pref_hash_calculator.cc
similarity index 97%
rename from components/user_prefs/tracked/pref_hash_calculator.cc
rename to services/preferences/tracked/pref_hash_calculator.cc
index 8d73c1dcbc9a30923745f52136a903a8cb15a928..207221c5688e971f0baf80a2559888fb64d3da0a 100644
--- a/components/user_prefs/tracked/pref_hash_calculator.cc
+++ b/services/preferences/tracked/pref_hash_calculator.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/user_prefs/tracked/pref_hash_calculator.h"
+#include "services/preferences/tracked/pref_hash_calculator.h"
 
 #include <stdint.h>
 
@@ -86,8 +86,7 @@ PrefHashCalculator::PrefHashCalculator(const std::string& seed,
                                        const std::string& legacy_device_id)
     : seed_(seed), device_id_(device_id), legacy_device_id_(legacy_device_id) {}
 
-PrefHashCalculator::~PrefHashCalculator() {
-}
+PrefHashCalculator::~PrefHashCalculator() {}
 
 std::string PrefHashCalculator::Calculate(const std::string& path,
                                           const base::Value* value) const {