Move tracked prefs into services/preferences/tracked.

services/preferences/tracked/hash_store_contents.h

Index: services/preferences/tracked/hash_store_contents.h
diff --git a/components/user_prefs/tracked/hash_store_contents.h b/services/preferences/tracked/hash_store_contents.h
similarity index 95%
rename from components/user_prefs/tracked/hash_store_contents.h
rename to services/preferences/tracked/hash_store_contents.h
index 9cc8abba09093e979833ef030a19b20e3195d05d..5486514bf23491f762908733c959c43baee21f27 100644
--- a/components/user_prefs/tracked/hash_store_contents.h
+++ b/services/preferences/tracked/hash_store_contents.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_HASH_STORE_CONTENTS_H_
-#define COMPONENTS_USER_PREFS_TRACKED_HASH_STORE_CONTENTS_H_
+#ifndef SERVICES_PREFERENCES_TRACKED_HASH_STORE_CONTENTS_H_
+#define SERVICES_PREFERENCES_TRACKED_HASH_STORE_CONTENTS_H_
 
 #include <map>
 #include <memory>
@@ -87,4 +87,4 @@ class HashStoreContents {
   virtual void SetSuperMac(const std::string& super_mac) = 0;
 };
 
-#endif  // COMPONENTS_USER_PREFS_TRACKED_HASH_STORE_CONTENTS_H_
+#endif  // SERVICES_PREFERENCES_TRACKED_HASH_STORE_CONTENTS_H_