Update components for new prefs location.

components/prefs/pref_store.h

 // 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.
 
 #ifndef BASE_PREFS_PREF_STORE_H_
 #define BASE_PREFS_PREF_STORE_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/prefs/base_prefs_export.h"
+#include "components/prefs/base_prefs_export.h"
 
 namespace base {
 class Value;
 }
 
 // This is an abstract interface for reading and writing from/to a persistent
 // preference store, used by PrefService. An implementation using a JSON file
 // can be found in JsonPrefStore, while an implementation without any backing
 // store for testing can be found in TestingPrefStore. Furthermore, there is
 // CommandLinePrefStore, which bridges command line options to preferences and
@@ skipping 31 matching lines @@
 
  protected:
   friend class base::RefCounted<PrefStore>;
   virtual ~PrefStore() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PrefStore);
 };
 
 #endif  // BASE_PREFS_PREF_STORE_H_