Revert of Move base/prefs to components/prefs

components/prefs/pref_store.cc

Index: components/prefs/pref_store.cc
diff --git a/components/prefs/pref_store.cc b/components/prefs/pref_store.cc
deleted file mode 100644
index f286a3313260a6b7db035955872825e73ce2a95c..0000000000000000000000000000000000000000
--- a/components/prefs/pref_store.cc
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (c) 2012 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 "base/prefs/pref_store.h"
-
-bool PrefStore::HasObservers() const {
-  return false;
-}
-
-bool PrefStore::IsInitializationComplete() const {
-  return true;
-}